How to solve -4(x+3)=-20

-4(x+3)=-20

-4x+12=-20

-4x=-20-12

-4x=-32              //-1

4x=32

x=32/4

x=8

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

figure c

step-by-step explanation:

hope this .