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Simplifying 6(2x + -1) + 3 + -7x = 42 Reorder the terms: 6(-1 + 2x) + 3 + -7x = 42 (-1 * 6 + 2x * 6) + 3 + -7x = 42 (-6 + 12x) + 3 + -7x = 42 Reorder the terms: -6 + 3 + 12x + -7x = 42 Combine like terms: -6 + 3 = -3 -3 + 12x + -7x = 42 Combine like terms: 12x + -7x = 5x -3 + 5x = 42 Solving -3 + 5x = 42 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + 5x = 42 + 3 Combine like terms: -3 + 3 = 0 0 + 5x = 42 + 3 5x = 42 + 3 Combine like terms: 42 + 3 = 45 5x = 45 Divide each side by '5'. x = 9 Simplifying x = 9
| Y=5x+(-5) | | 3/p=4/15 | | X/2-1=11 | | 25-70x+49x^2=0 | | x=10+.5 | | 2.7+3.6x=8.4+23.7x | | x*(x/70) | | 84=lnx | | 4+5(3-x)=4(8+2r) | | 3x-21=5x-9 | | 7x-8=56 | | 5x^3y^7/10x^3y^3 | | 5.3-9.2x=7.4x+8.8 | | 6x-29=7 | | 4(5x-(7-6y+2x)+7y)= | | -7(3a-4)+7a=14 | | 8k+10=k-11 | | 5y^3+7y^2+10y+14= | | -42(-3x-4)=100 | | dy=dx(-y+e) | | 8-2/3*1/12= | | dy=dx(-y+e-2) | | 12*1.5= | | 6n^2+9n= | | 38/18 | | x+(x+9)+(2x-21)=180 | | 4x+31=19x+1 | | x/4-1/2=-2 | | x+(2x+9)+(2x-21)=180 | | (x)(x+11)=42 | | 15a^3+16a^2-15a=0 | | 9y=-1.25 |