Think 5 groups of 8 each. 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 5 x 8 = 40
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5x-8= -2x+6(+8 = +8)5x=-2x+14(+2x = +2x)7x=14x=14
7x-5x=8 2x=8 x=4
5x+3=8 is a simple equation, and I can tell you off the top of my head the answer is 1. Here's how to work it: 5x+3=8 5x+3(-3)=8(-3) 5x=5 5x(/5)=5(/5) x=1
5x - 8 = yWhen y = 1,5x - 8 = 1Add 8 to each side of the equation:5x = 9Divide each side by 5:x = 9/5 = 1.8
x2-5x = 24 x2-5x-24 = 0 (x-8)(x+3) = 0 x = 8 or x -3