4x + 7 = 6x -7 14=2x so x = 7 (plus a negative # is simply - that number)
Chat with our AI personalities
6x-7 = 4x+23 (take the x terms on one side and the number terms on the other) 6x -4x = 23 + 7 therefore 2x = 30 x=30/2 x=15
-6x+3 = -7-5x 7+3 = 6x-5x 10=x
x=7
If 4x + 7 = 3... then x must equal -1
74