4x + 13 = 76 - 5x
Add 5x to both sides: 9x + 13 = 76
Subtract 13 from both sides: 9x = 63
Divide both sides by 9: x = 7
Chat with our AI personalities
The answer to the problem of 13 equals -4x plus 9 is x equals -1.
4x+13 = 21 4x = 21-13 4x = 8 x = 2
8x+5=4x+13 4x=8 x=2 Therefore, your answer is 2.
X= -8
(2, 7)