First, subtract 3x from each side of the equation.
Then, divide each side of the equation by 7 .
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3x plus 10x - 7With out knowing what ' x ' actually is.. it will reduce down to.3x + 10 x - 7=13x - 7
6-3x = 5x-10x+2 4 = 8x-10x 4 = -2x x = -2
8 = -6x x = -1.3333
-3x + 10x = 7x3x + 3x = 6x
3x + 12 + 10x = 13x + 12