2x + 4 = 36
Subtract 4 from each side
2x + 4 - 4 = 36 - 4
2x = 32
Divide both sides by 2
2x 32
--- = -----
2 2
x = 16
Don't forget to plug the answer back in to the original equation to test it for accuracy.
2(16) + 4 = 36
32 + 4 = 36
36 = 36 Yep, that works.
Subtract 4 from each side
2x + 4 - 4 = 36 - 4
2x = 32
Divide both sides by 2
2x 32
--- = -----
2 2
x = 16
Don't forget to plug the answer back in to the original equation to test it for accuracy.
2(16) + 4 = 36
32 + 4 = 36
36 = 36 Yep, that works.