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Simplifying 15(x + -1) + 4(x + 3) = 2(7 + x) Reorder the terms: 15(-1 + x) + 4(x + 3) = 2(7 + x) (-1 * 15 + x * 15) + 4(x + 3) = 2(7 + x) (-15 + 15x) + 4(x + 3) = 2(7 + x) Reorder the terms: -15 + 15x + 4(3 + x) = 2(7 + x) -15 + 15x + (3 * 4 + x * 4) = 2(7 + x) -15 + 15x + (12 + 4x) = 2(7 + x) Reorder the terms: -15 + 12 + 15x + 4x = 2(7 + x) Combine like terms: -15 + 12 = -3 -3 + 15x + 4x = 2(7 + x) Combine like terms: 15x + 4x = 19x -3 + 19x = 2(7 + x) -3 + 19x = (7 * 2 + x * 2) -3 + 19x = (14 + 2x) Solving -3 + 19x = 14 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. -3 + 19x + -2x = 14 + 2x + -2x Combine like terms: 19x + -2x = 17x -3 + 17x = 14 + 2x + -2x Combine like terms: 2x + -2x = 0 -3 + 17x = 14 + 0 -3 + 17x = 14 Add '3' to each side of the equation. -3 + 3 + 17x = 14 + 3 Combine like terms: -3 + 3 = 0 0 + 17x = 14 + 3 17x = 14 + 3 Combine like terms: 14 + 3 = 17 17x = 17 Divide each side by '17'. x = 1 Simplifying x = 1
| 30=12x | | 8(x-1)+17(x-3)=4(4x-9)+4 | | 2x+36-2x=0 | | -2(t-5)+4t=6t-9 | | 4x+25x+13=96 | | x^8-16x^6+38x^5+96x^4-640x^3-1024=0 | | 0.03+0.025x=1.28 | | -2(t-1)+8t=3t-3 | | 2*y*x=13 | | 55+32+x=180 | | y-4=-9(x+4) | | -3(v-9)=7v+47 | | 5(y-9)=7 | | 2yx=13 | | Y=8x^3+4x^2-10x+3 | | 2*x*y=13 | | 2(2x+15)=23y | | 20-a=10*a-2 | | (2-u)(5u+7)=0 | | 32/7-21/2= | | 4r-3=25 | | 32-9b=140 | | 16-x^2=84 | | 6ln(4x+6)=14 | | 6ln(4x+6)=11 | | log(7x)=4 | | D+261.9=-48.0 | | 33=3e^5x | | 35t^2+13t-12=0 | | x+(x+30)=1200 | | 4x+15=76 | | 3ln(x)=x^2-2x-31 |