7n+4+5n=-140 - solution

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Solution for 7n+4+5n=-140 equation:

n in (-oo:+oo)

7*n+5*n+4 = -140 // + 140

7*n+5*n+4+140 = 0

12*n+144 = 0 // - 144

12*n = -144 // : 12

n = -144/12

n = -12

n = -12

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