Step-by-step explanation:
due to the rules of crossing lines and their angles, the 2 angles opposite of each other must be equal.
so,
7x + 7 = 112
7x = 105
x = 15
Answer:
6(x+4)=30
6x+24=30
6x+24-24=30-24
x=6/6
x=1
Hope this helps you
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7. b
8. a
c
