Question

Distribute then combine like terms: 3(7 + x) - 20 - 2x

Answer 1

$3\left(7+x\right)-20-2x$

First, apply the distributive property to solve the parenthesis:

$3(7)+3(x)-20-2x$$21+3x-20-2x$

Finally, combine like terms:

$3x-2x+21-20$$x+1$