Question

a) 2(3x-10)=x
b) 5(x+3)=4(x-1)

Answer 1

$a) 2 ( 3x - 10 ) = x \\ 6x - 20 = x \\ 6x - x = 20 \\ 5x = 20 \\ x = \frac{20}{5} \\ x = 4 \\ \\ b) 5 ( x + 3 ) = 4 ( x - 1 ) \\ 5x + 15 = 4x - 4 \\ 5x - 4x = - 4 - 15 \\ x = - 19$