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Simplifying 3 + -4(x + 3) = 7x + -20 Reorder the terms: 3 + -4(3 + x) = 7x + -20 3 + (3 * -4 + x * -4) = 7x + -20 3 + (-12 + -4x) = 7x + -20 Combine like terms: 3 + -12 = -9 -9 + -4x = 7x + -20 Reorder the terms: -9 + -4x = -20 + 7x Solving -9 + -4x = -20 + 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. -9 + -4x + -7x = -20 + 7x + -7x Combine like terms: -4x + -7x = -11x -9 + -11x = -20 + 7x + -7x Combine like terms: 7x + -7x = 0 -9 + -11x = -20 + 0 -9 + -11x = -20 Add '9' to each side of the equation. -9 + 9 + -11x = -20 + 9 Combine like terms: -9 + 9 = 0 0 + -11x = -20 + 9 -11x = -20 + 9 Combine like terms: -20 + 9 = -11 -11x = -11 Divide each side by '-11'. x = 1 Simplifying x = 1
| -5/6x=8/9 | | 4x+7=-4-2x+15 | | 8x+x=5x-11 | | x*0.21=75000 | | 5Y+8X=200 | | 1/5x-1/6(x-8)=6x | | (x+1/5)+(x+4/4)=3 | | 8Y+5X=200 | | x*0.2=70000 | | 2z+6=5z/2 | | 2h+3=7 | | 1/5x=6/5 | | 81x^4-64=0 | | -5(6y-4)-y=-3(y-3) | | 2(3b+2)-6= | | 3.512= | | x+2+1=2x-3 | | 9y-2-4y=2y | | 25x^2+110x+121=0 | | 8/5=4x | | (2/3)x-6=(5/6)x | | 2x-8=116 | | 4x-7x+5=-19 | | 2.66k+8=18 | | 1/2n+1+5/4n+5/8 | | y=0.5x+12 | | 9-2f=3 | | z-8+4=160 | | 2x+37=19 | | x^14-x^11=0 | | (3/4)x-4=(7/4)x | | z-8(4)=160 |