0
Anonymous
x=5
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3x + 5 = 4x - 10Add 10 to each side:3x + 15 = 4xSubtract 3x from each side:15 = x
10 -3x+8x = 25 -3x+8x = 25-10 5x = 15 x = 3
(2, -1)
x=10
3x+12x = 15 15x = 15 x = 1