What is the value of x?

asked Mar 12, 2018 174k views

4 votes

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4 votes

Since all triangle angles add up to 180*, the equation is 180=100+4x-4.
this simplifies to x=21

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1 vote

3x+x-4+100 = 180
4x +96 =180
4x = 180 -96
4x = 84
x=84/4
x=21

Bandw answered Mar 18, 2018

by Bandw

8.8k points

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