Question

15 + x = 7 + 5x. Please show the procedure.

Answer 1

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$\sf \huge \implies \: 15 + x = 7 + 5x \\ \\ \sf \huge \implies \: 5x - x = 15 - 7 \\ \\ \sf \huge \implies \: 4x = 8 \\ \\ \sf \huge \implies \: x = \frac{8}{4} \\ \\ \sf \huge \implies \: x = 2$