One Step Linear Equation With Signed Numbers

Evaluate: x-5 = -12

• 17

• -17

• 7

• -7

Solve the equation:
-2.6 + x = -4.6

• x = 2

• x = -2

• x = 7.2

• x = -7.2

WRITE AN EQUATION
After paying $5.12 for a salad, Norachai has $27.10. How much money did he have before buying the salad?

• 27.10+5.12=x

• 27.10-5.12=x

• x-5.12=27.10

• 5.12+x=27.10

Solve the equation. Check your solution.

• 24

• ¹⁴⁷/₈ or 18 ³/₈

• 168

• -24

Solve for x

• x = 2

• x = -2

• x = -10

• x = 4

4x - 12 = -16

Mathematical Equivalence

ON

Solve for x

• x = 2

• x = -2

• x = -10

• x = 4

Solve for x.

• 55

• 60

• 15

• 35

Andrew has saved $55 toward the purchase of an IPOD. The IPOD costs $145. Which equation represents the amount Andrew needs to save to by the IPOD?

• 55 + x = 145

• 145x = 55

• 55 - x = 145

• 145 (55) = x

b + 1.5 = -5.5

• 4

• -4

• 7

• -7