Question

Answer with full detail

If 7x+7=70+x,then x equals to

Answer 1

$7x + 7 = 70 + x \\ \\ => 7x - x = 70 - 7 \\ \\ = > 6x = 63 \\ \\ = > x = \frac{63}{6} \\ \\ = > x = \frac{21}{2}$