How do you solve #4x+ 5 = 21#?
1 Answer
Feb 16, 2016
x=4
Explanation:
to solve for x, you should leave it alone on left-hand side. so
-
subtract 5 from both sides
#4x+5-5=21-5#
#4x=16# -
divide both sides by 4
#4x/4=16/4#
#x=4#
remember: while solving equations, what you do to one side, you should do the same to the other
