-2x + 8 = 18 please help. What does x equal
2 answers:
Answer:
x = -5
Step-by-step explanation:
-2x + 8 = 18
Subtract 8 from each side
-2x + 8-8 = 18-8
-2x = 10
Divide each side by -2
-2x/-2 = 10/-2
x = -5
Answer:
x = -5
Step-by-step explanation:
Step 1: Write equation
-2x + 8 = 18
Step 2: Solve for <em>x</em>
- Subtract 8 on both sides: -2x = 10
- Divide both sides by -2: x = -5
Step 3: Check
<em>Plug in x to verify it's a solution.</em>
-2(-5) + 8 = 18
10 + 8 = 18
18 = 18
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