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Helppppppp pleaseeee find the value of x. Step by step please

Helppppppp pleaseeee find the value of x. Step by step please-example-1

2 Answers

1 vote
Wouldn’t you add both of the equations together and set them equal to 180 and whatever you get for x just plug back in to find the values of the angles??
User Jblasco
by
4.8k points
9 votes
5x-70+ 4x+12= 180
9x-58=180
9x= 180+58
9x= 238
X=26.4
User Fhl
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5.5k points