Question

please guys tell this and please no SPAM ​

Answer 1

$\sf \purple{8x + 4 = 3(x - 1) + 7} \\ \implies \sf{8x + 4 = 3x - 3 + 7} \\ \implies \sf{8x - 3x = 4 - 4} \\ \implies \sf{5x = 0} \\ \implies \sf{x = \frac{0}{5} } \\ \therefore \sf \blue{x = 0}$

$\rule{200}2$