Solving Linear Equations

Front

x + 8 = 15

Back

x = 7

Front

Back

Front

Solve for x:

Back

x = 10

Front

What would be the best first step to solving the equation?
-18=m+12
Options: add 18 to both sides, subtract 18 from both sides, add 12 to both sides, subtract 12 from both sides

Back

subtract 12 from both sides

Front

3y + 4y + 6 = 20

Back

y = 2

Front

Solve: 5x - 14 = 8x + 4

Back

-6

Front

Does the equation have one, none, or infinitely many solutions? 12x - 8 = 12x - 9 - 1

Back

no solution

Front

Find the error in solving the equation: 1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2

Back

The student did not multiply all terms by the common denominator

Front

A hang glider, 25 meters above the ground, starts to descend at a constant rate of 2 meters per second. Which equation shows the height h after t seconds? Options: h = 25t + 2t, h = -25t + 2, h = 2t + 25, h = -2t + 25

Back

h = -2t + 25

Front

Cost to paint two rectangular walls each 12 ft by 23 ft at $0.08 per sq ft?

Back

$44.16