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How do i solve the equation?
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How do i solve the equation?

How do i solve the equation?-example-1
User Pid
by
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1 Answer

2 votes

Answer: 7x=63 and 12x+9= 117

Explanation:

add those two equations and set it to 180 degree

7x+12x+9=180

19x=171

x= 9

7x = 7 (9) = 63

12x+9 = 12 (9)+9 = 117

User Spudwaffle
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