Solve 2x - 8 = -4

i forgot how to do it pls help

Step-by-step explanation:

Given equation:

2x - 8 = -4

Add 8 to both sides

2x = -4 + 8

2x = 4

Divide both sides by 2

x = 4/2

x = 2

Hope this helped!

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,