Question

Question 3(c)
Solve the following equations:
-16=-5(2-p)

Answer 1

Use distributive property : A(B+C)=AB+AC
$-16=-5(2-p)\Rightarrow -16=-5\times 2–(-5)\times p$
$\Rightarrow -16=-10+5p\Rightarrow$ $-10+5p=-16\Rightarrow 5p=-16+10$
$\Rightarrow 5p=-6$ $\Rightarrow p=\frac{-6}{5}$