Answer:
x=1
Step-by-step explanation:
2(7-2x)=10
14-4x=10, then remove the 14 from both sides, so
-4x=-4, remove the neg. sign
4x=4, divide both sides by 4
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14-4x=10
-4x=-4
a
5
Replace 20 instead of m
20/4=5
