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Simplifying 9x + -1(x + 3) = 7x + 3 + 1 Reorder the terms: 9x + -1(3 + x) = 7x + 3 + 1 9x + (3 * -1 + x * -1) = 7x + 3 + 1 9x + (-3 + -1x) = 7x + 3 + 1 Reorder the terms: -3 + 9x + -1x = 7x + 3 + 1 Combine like terms: 9x + -1x = 8x -3 + 8x = 7x + 3 + 1 Reorder the terms: -3 + 8x = 3 + 1 + 7x Combine like terms: 3 + 1 = 4 -3 + 8x = 4 + 7x Solving -3 + 8x = 4 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. -3 + 8x + -7x = 4 + 7x + -7x Combine like terms: 8x + -7x = 1x -3 + 1x = 4 + 7x + -7x Combine like terms: 7x + -7x = 0 -3 + 1x = 4 + 0 -3 + 1x = 4 Add '3' to each side of the equation. -3 + 3 + 1x = 4 + 3 Combine like terms: -3 + 3 = 0 0 + 1x = 4 + 3 1x = 4 + 3 Combine like terms: 4 + 3 = 7 1x = 7 Divide each side by '1'. x = 7 Simplifying x = 7
| -4.42x+0.9=-9.070-0.432 | | 4x^2-9x+5=-2x+2 | | 0.1x+4.1(2x-1)=3.2x | | 6x+2=4x+38 | | 1.5+0.25=1.6x | | x^2+12x-3=6x+4 | | 5x-4+3-2x= | | 2(4z-1)=3(3z+2) | | (2x+1)-5(2x+1)+4=0 | | 7.5+0.5n=3/4n | | 7.5+0.5n=30 | | 14t=v | | 3(t-5)7t=5(3-t) | | 8x+12XY=0 | | 9/4-1/4g-1/2g | | 4x^2+28x-72= | | 4+7xn=20-3xn | | 5x^2-14x-12=0 | | 44b-33b+4b=60 | | .33*5(1+4x+1)=20 | | 9m-14m=20 | | 1/3(5+4x+5)=20 | | 4x^2+28x-27= | | -12z+13z=17 | | 1/3*5 | | 4r+5r=45 | | (3/2)x-4=-1 | | 2(x+4)+7=-3x | | 12+4c=3c-15 | | 3.2x+4.1(x-1)=26.56 | | f(x)=17 | | b=156.1/70 |