If: 3x+20 = 2x-10
Then: x = -30
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3x - 5 + 3x = 1x + 15 3x + 3x -1x = 15 + 5 5x = 20 5x/5 = 20/5 x = 4
It is an expression that can be simplified to: 3x-20
3x-1=11 3x = 12 x = 4 Then, x^2 +x = 20.
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
3x+5=20 x=5 since 5x3+5=20