2 answers:
Answer:
X=11
Step-by-step explanation:
(10x+30)=140
-30 both sides
10x=110
Divide 10 both sides
X=11
x=11
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Since 140 and 10x+30 are vertical angles, they are equal.
Equation: 140=10x+30
- Subtract 30 from both sides of the equation.
140=10x
- Divide both sides of the equation by 10.
You get x=10
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Hope this helped!!
:D
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