5x - 1 = 21 + 3x
Add '1' to both sides
5x = 22 + 3x
Subtract '3x' from both sides
2x = 22
Divide both sides by '2'
2x/2 = 22/2
x = 11
=
Chat with our AI personalities
x = 4
3x + 7 = -4x + 28 implies 7x + 7 = 28
-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3
7y+3x-21 =0 7y = -3x+21 y = -3/7x+3 The y intercept is 3
5x+7=3x-21 -7= -7 5x=3x-14 -3x=-3x 2x=-14 2x/2x=2x/-14 x=-7 The Answer Is -7 -