Answer:
all three angles should add up to 180 so subtract what you know from 180 and you should be able to find everything from there
Answer:
2x10=20 X=2
Step-by-step explanation:
Please mark brainliest
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
