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Simplifying (x + 3) + -1(3x + 7) = 0 Reorder the terms: (3 + x) + -1(3x + 7) = 0 Remove parenthesis around (3 + x) 3 + x + -1(3x + 7) = 0 Reorder the terms: 3 + x + -1(7 + 3x) = 0 3 + x + (7 * -1 + 3x * -1) = 0 3 + x + (-7 + -3x) = 0 Reorder the terms: 3 + -7 + x + -3x = 0 Combine like terms: 3 + -7 = -4 -4 + x + -3x = 0 Combine like terms: x + -3x = -2x -4 + -2x = 0 Solving -4 + -2x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -2x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -2x = 0 + 4 -2x = 0 + 4 Combine like terms: 0 + 4 = 4 -2x = 4 Divide each side by '-2'. x = -2 Simplifying x = -2
| 1.57x+4.91x^2=2.00 | | (3x/25)(25/9x) | | 2x^2=x^2/3 | | -10-3x=10x-7 | | 2x^2=x/3+15 | | 2x-1/3=5x+6 | | x^2+9x+17=0 | | 27x+14=21+6x | | log(x+3)+log(x+6)=1 | | 7.5x^1/2-6x | | 4(a-5)+2a+3=3(a+1)+4 | | 0=-16x^2+80x-96 | | y-19=28 | | y-19=29 | | 3x=19-x | | 3x+20=12-61 | | 6x-18=5x+2 | | (b+6)(b-6)= | | (12+2w)(8+2w)=140 | | 4c-4b+2c=0 | | (2h+3)(2h^2+3h+4)= | | 3x=x-19 | | p=45-3p | | 240000(1-6/30) | | 5(2a-3)=7a+6 | | 4(w^2+10w+13)=0 | | 5a-3c=2a+7c | | 4a-5+3a=5a+7 | | 185000=210000(1-x/25) | | 3a+2=-13 | | (12+2w)(8+2w)=44 | | x=-2/3y |