5x + 8 = 2x + 7
5x - 2x = -8 + 7
3x = -1
x = -1/3
(5 x -1/3 + 8 = 6 1/3; 2 x -1/3 + 7 = 6 1/3; QED)
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5x - 3 + 2x + 7 = ?7x + 5 = ?
2x + 7 + 5x - 4 - x = (2x + 5x - x) + (7 - 4) = 6x + 3
5x+7=3x-21 -7= -7 5x=3x-14 -3x=-3x 2x=-14 2x/2x=2x/-14 x=-7 The Answer Is -7 -
It is 5x - 4
= 5x plus 7.