Question

3(5z-7)-2(9z-11) = 4(8z-13) - 17

Answer 1

$</p><p></p><p>\begin{gathered} \frac{3(x - 3)}{x + 20} = \frac{1}{8} \\ \frac{3x - 9}{x + 20} = \frac{1}{8} \\ 8(3x - 9) = 1(x + 20) \\ 24x - 72 = x + 20 \\ 24x - x = 20 + 72 \\ 23x = 92 \\ x = \frac{92}{23} \\ \large{ \boxed{x = \underline{ \underline{4}}}}\end{gathered}x+203(x−3)=81x+203x−9=818(3x−9)=1(x+20)24x−72=x+2024x−x=20+7223x=92x=2392x=4</p><p></p><p>$