How do you solve #3x + 7 = 22#?
1 Answer
Feb 25, 2016
x = 5
Explanation:
Isolate the x term on the left side and move numbers to the right
subtract 7 from both sides : 3x + 7 - 7 = 22 - 7
now have : 3x = 15 , and dividing both sides by 3, will give value of x.
#(cancel(3)x)/cancel(3) = 15/3 rArr x = 5 #