\[5x+7=1\]
1
Subtract 77 from both sides.
5x=1−75x=1-7

2
Simplify  1−71-7  to  −6-6.
5x=−65x=-6

3
Divide both sides by 55.
x=−65x=-\frac{6}{5}

Done

Decimal Form: -1.2

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