The equation 4x + 5 = 2 has the solution 4x = -3 and x = - 3/4 (minus 3/4).
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Add 4x - 2 to each side: 5x = 5 x = 1
2x + 5 = 7 - 4x ie 2x + 4x = 7 - 5 ie 6x = 2 x = one third.
9x + 5 = 4x + 3 Subtract 4x from both sides: 5x + 5 = 3 Subtract 5 from both sides: 5x = - 2 Divide both sides by 5: x = -2/5 or -0.4
3x+5= 4x-10+10 +103x+15= 4x-3x -3x15=X
y=(8x).5 + (4x).5 = (2+2sqrt(2))x.5 y'=(1 + sqrt(2))/sqrt(x)