Question

Решите уравнение. $frac{8x-3}{7} - frac{3x+1}{10} = 2$

Answer 1

$frac{8x-3}{7} - frac{3x+1}{10} = 2 \ frac{10(8x-3)}{70} - frac{7(3x+1)}{70} = frac{140}{70} \ frac{80x-30-(21x+7)-140}{70}=0 \ frac{80x-30-21x-7-140}{70}=0 \ frac{59x-177}{70} =0 \ frac{59(x-3)}{70} =0 \ x-3=0 \ x=3$