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Simplifying (3x + 1) + -1(x + 3) = 3(x + 1) Reorder the terms: (1 + 3x) + -1(x + 3) = 3(x + 1) Remove parenthesis around (1 + 3x) 1 + 3x + -1(x + 3) = 3(x + 1) Reorder the terms: 1 + 3x + -1(3 + x) = 3(x + 1) 1 + 3x + (3 * -1 + x * -1) = 3(x + 1) 1 + 3x + (-3 + -1x) = 3(x + 1) Reorder the terms: 1 + -3 + 3x + -1x = 3(x + 1) Combine like terms: 1 + -3 = -2 -2 + 3x + -1x = 3(x + 1) Combine like terms: 3x + -1x = 2x -2 + 2x = 3(x + 1) Reorder the terms: -2 + 2x = 3(1 + x) -2 + 2x = (1 * 3 + x * 3) -2 + 2x = (3 + 3x) Solving -2 + 2x = 3 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. -2 + 2x + -3x = 3 + 3x + -3x Combine like terms: 2x + -3x = -1x -2 + -1x = 3 + 3x + -3x Combine like terms: 3x + -3x = 0 -2 + -1x = 3 + 0 -2 + -1x = 3 Add '2' to each side of the equation. -2 + 2 + -1x = 3 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 3 + 2 -1x = 3 + 2 Combine like terms: 3 + 2 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5
| 2=4x-y | | 3x+-8y=0 | | x/4+0.5=1 | | 5x^2+2x=-3 | | sin(2x)=sin(0.5x) | | 1/2(x-2y-3z) | | 11x+29=0 | | 16-5(3+-4)=8(2+11) | | .83h-.583=.75h-3.5 | | 3x+7+5y=22 | | log[4]x=2 | | 445=130+35t | | x/5-619 | | 7+v(3)=7+v | | 1+8x=9x-6 | | 9/20-t/5=1 | | -5.5x+05.6=-1.64 | | 5x+11+2x+10=3x+9 | | 0.003(5-k)+0.03(k-9)=1 | | -(3/2)q^2-75q-204=0 | | 3x+5=-2x+30 | | 15y+20=-5y-10 | | X^2+3y=0 | | -x-3y=3 | | 8x-1/8=7/5 | | 3+8x-2=7x-3 | | 4(y+7)=5y | | (6+2i)(7-5i)=0 | | f(x)=x^2+40x+13 | | q^2-50q+136=0 | | 1/6(2x-88)=4x | | 1. 7+5n=2n+7 |