180=11x+9x. 180 = 20x. 18=2x. 9=x.
Chat with our AI personalities
2x = 11x + 4 Subtract 11x from both sides: -9x = 4 Divide both sides by -9: x = 4/(-9) = -0.444...
no
9x+6 = 6x+15 9x-6x = 15-6 3x = 9 x = 3
no
9x + 91 is already simplified because there is nothing that is on the other side of the "equals" sign.