-3x+7=2x-18 ---> 7+18=2x-3x ----> 25=5x ----> x=5
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4x plus 7 plus 3x equals 19 plus xx = 2
3x + 2y = 7
In the equation 3x plus 7 equals 13, x is equal to 2.
if 3x+7 = 3 then 3x = 3-7 3x = -4 then, x = -4/3
3x + 7 = -4x + 28 implies 7x + 7 = 28