Answer:
Explanation:
expand brackets
7x - 42=-14
add 42 to both sides
7x -42 +42 =-14 + 42
7x= 28
divide 7 to both sides
7x/7=28/7
x=4
7(x-6)=-14
Distribute the 7
7x-42 = -14
Add 42 to each side
7x-42+42 = -14+42
7x = 28
Divide by 7
7x/7 = 28/7
x =4
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