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ludmilkaskok [199]
3 years ago
9

If the two angles below are supplementary, solve for x.

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
6 0

\bf \stackrel{\textit{supplementary angles add up to }180^o}{(7x)+(5x+24)=180}\implies 12x+24=180\\\\\\12x=156\implies x=\cfrac{156}{12}\implies x=13

IrinaVladis [17]3 years ago
3 0
Supplementary angles always equal 180. Then you just solve from there.

7x+5x+24=180
12x+24=180
-24 -24
12x=156
/12 /12
X=12
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