7xsquare = 7
x square = 1
x = +1 or -1
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8x=7x-7 x=-7
x=(-9/7) 7x+12=3 7x=(-9) x=(-9/7)
7x+7=28x 28x-7x=7 21x=7 x=3
7x-6=20 You add 6 to both sides of the equal sign to get 7x=26. Then you divide both sides by 7 to isolate "x". x=26/7
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