2x + 5 = 7 - 4x ie 2x + 4x = 7 - 5 ie 6x = 2 x = one third.
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If: 2x = x+5 Then: x = 5
2x-3 = x+5 2x-x = 8 x = 8
3x-2 = 2x+3 3x-2x = 3+2 x = 5
7x + 4 = 2x + 5Subtract 4 from each side of the equation:7x = 2x + 1Subtract 2x from each side:5x = 1Divide each side by 5:x = 1/5 = 0.2
x^3=2x+5 x^3-2x-5=0 Graph the equation or use a calculator. x= 2.09455148