Question

Simplify and solve the following liner equations :
$10(x - 5) - 5(x - 5) + 5(x + 5) = 0$
$\frac{3}{4} (7x - 1) - \frac{x}{7} - x - 2) = 72$

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Answer 1

10(x - 5) - 5(x - 5) + 5(x + 5) = 0 \\ 10x - 50 - 5x + 25 + 5x + 25 = 0 \\ 10x - 50 + 50 = 0 \\ 10x = 0 \\x = \frac{0}{10} \\ x = 0