7x + 8 = 84
Subtract 8 from bith sides: 7x = 76
Divide both sides by 7: x = 76/7 = 10.8571428...
Chat with our AI personalities
7x + 8 = 36 - 8 = - 8 -------------- 7x = 28 7x/7 = 28/7 x = 4
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
4x+5=7x-8 the ansewr is 3.25
-8 + 7x = x - 506x = -42x = -6
Subtract 7x from each side: 8 = -9 Not possible, game over.