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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x=6 hope this helps
x2 + 7x = 2x2 + 6 x2 - 2x2 + 7x = 6 -x2 +7x - 6 = 0 or alternatively x2 - 7x + 6 = 0
9x+6 = 7x+18 9x-7x = 18-6 2x = 12 x = 6
Here is the work for that problem. 7x+6= 41 7x=41-6 (subtracting 6 from both sides) 7x=35 x=5
7x + y = 6 y = 6 - 7x dy/dx = 0-7 = -7 Slope = -7