Question

Determine o valor de x em cada equação do primeiro grau 3×+5×=75

Answer 1

$\boxed{\begin{array}{lr} 3x+5x=75\\8x=75\\x=\frac{75}{8} \end{array}}$

Answer 2

$\large\boxed{\begin{array}{l} \sf{3x + 5x = 75} \\ \\ \sf{8x = 75} \\ \\ \red{ \boxed{ \boxed{ \sf{ \therefore \: x = \frac{75}{8} \: }}}}\end{array}}$