c − 2 = − 91 \frac{c}{-2}=-91 − 2 c = − 9 1

c = − 182 c=-182 c = − 1 8 2

c = − 45.5 c=-45.5 c = − 4 5 . 5

− 3 = z 6 + 11 -3=\frac{z}{6+11} − 3 = 6 + 1 1 z Solve the equation.

z = − 5.7 z=-5.7 z = − 5 . 7

y − 1.3 = − 7.4 y-1.3=-7.4 y − 1 . 3 = − 7 . 4 Solve the equation.

y = − 6.1 y=-6.1 y = − 6 . 1

y = − 8.7 y=-8.7 y = − 8 . 7

8 w = 75.2 8w=75.2 8 w = 7 5 . 2 Solve the equation.

w = 601.6 w=601.6 w = 6 0 1 . 6

w = − 9.4 w=-9.4 w = − 9 . 4

w = − 601.6 w=-601.6 w = − 6 0 1 . 6

z 6.9 = − 3 \frac{z}{6.9}=-3 6 . 9 z = − 3 Solve the equation.

z = − 20.7 z=-20.7 z = − 2 0 . 7

z = − 2.3 z=-2.3 z = − 2 . 3

12 = a 36 + 17 12=\frac{a}{36}+17 1 2 = 3 6 a + 1 7 Solve the equation.

a = − 108 a=-108 a = − 1 0 8

a = − 1044 a=-1044 a = − 1 0 4 4

Solving Equations

Authored by Josue Lopez

Mathematics

7th Grade

Used 10+ times

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12 questions

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

$3x=27$
Solve the equation.

$x=9$

$x=-9$

$x=81$

$x=-81$

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

$\frac{c}{-2}=-91$

$c=182$

$c=-182$

$c=45.5$

$c=-45.5$

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

One type of thermal ice drill can drill through ice at a rate of 15 feet per minute by using heat to melt the ice. Find the time it takes the drill to melt through a sheet of ice 75 feet thick.

5 min

1125 min

90 min

60 min

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

$-3=\frac{z}{6+11}$
Solve the equation.

$z=-51$

$z=51$

$z=5.7$

$z=-5.7$

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

$y-1.3=-7.4$
Solve the equation.

$y=-6.1$

$y=-8.7$

$y=6.1$

$y=8.7$

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

$8w=75.2$
Solve the equation.

$w=9.4$

$w=601.6$

$w=-9.4$

$w=-601.6$

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

$\frac{z}{6.9}=-3$
Solve the equation.

$z=-20.7$

$z=-2.3$

$z=20.7$

$z=2.3$

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the value of x of the given triangle when its perimeter = 10 m.

$x=2.7\ m$

$x=17.3\ m$

$x=-2.7\ m$

$x\ =-17.3\ m$

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

$12=\frac{a}{36}+17$
Solve the equation.

$a=-108$

$a=1044$

$a=108$

$a=-1044$

10.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

$-2q-63=47$
Solve the equation.

$q=-55$

$q=-8$

$q=55$

$q=8$

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Solving Equations

3x=273x=273x=27 Solve the equation.

c−2=−91\frac{c}{-2}=-91−2c​=−91

One type of thermal ice drill can drill through ice at a rate of 15 feet per minute by using heat to melt the ice. Find the time it takes the drill to melt through a sheet of ice 75 feet thick.

−3=z6+11-3=\frac{z}{6+11}−3=6+11z​ Solve the equation.

y−1.3=−7.4y-1.3=-7.4y−1.3=−7.4 Solve the equation.

8w=75.28w=75.28w=75.2 Solve the equation.

z6.9=−3\frac{z}{6.9}=-36.9z​=−3 Solve the equation.

Find the value of x of the given triangle when its perimeter = 10 m.

12=a36+1712=\frac{a}{36}+1712=36a​+17 Solve the equation.

−2q−63=47-2q-63=47−2q−63=47 Solve the equation.

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$3x=27$
Solve the equation.

$\frac{c}{-2}=-91$

$-3=\frac{z}{6+11}$
Solve the equation.

$y-1.3=-7.4$
Solve the equation.

$8w=75.2$
Solve the equation.

$\frac{z}{6.9}=-3$
Solve the equation.

$12=\frac{a}{36}+17$
Solve the equation.

$-2q-63=47$
Solve the equation.