8x + 10 = 3x +14
5x = 4
x = 4/5 = 0.8
Improved answer:
8x+10 = 4x+14
8x-4x = 14-10
4x = 4
x = 1
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5x + 20 = 4x +30 5x - 4x = 30 - 20 x = 10
x = -8, y = 10
4x + 7 = 6x -7 14=2x so x = 7 (plus a negative # is simply - that number)
x + 3x - 10 = 5 - 4 4x - 10 = 1 4x = 1 + 10 x = 11/4
4x =20x=20/4x=5