X +13 equals 22, X equals nine
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22+2x = 37+6+x 2x-x = 37+6-22 x = 21
4
-9h-6+12h+40=22 -9h+12h=22-40+6 3h=-12 h=-4
-3x2 + 22x = 0 You start by dividing both sides by x: ∴ -3x + 22 = 0 Then rearrange to solve for x: ∴3x = 22 ∴ x = 7 + 1/3
It is a linear equation in the variable x. You can solve for x using algebra: -5x + 3 = -22 -5x = -25 -x = -5 x = 5