15x+10 80
I need help plzzzzzzz
2 answers:
Answer:
6
Step-by-step explanation:
180-80=100
100-10=90
90 divided by 15=6
Explanation:
they’re supplementary angles (they add up to 180°), so we need to set up an equation by adding them to equal 180°:
15x + 10 + 80 = 180
combine like terms
15x +90 = 180
subtract 90 from move sides
15x = 90
divide both sides by 15
x= 6
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