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Simplifying -3(2x + -7) = x + 2(x + -3) Reorder the terms: -3(-7 + 2x) = x + 2(x + -3) (-7 * -3 + 2x * -3) = x + 2(x + -3) (21 + -6x) = x + 2(x + -3) Reorder the terms: 21 + -6x = x + 2(-3 + x) 21 + -6x = x + (-3 * 2 + x * 2) 21 + -6x = x + (-6 + 2x) Reorder the terms: 21 + -6x = -6 + x + 2x Combine like terms: x + 2x = 3x 21 + -6x = -6 + 3x Solving 21 + -6x = -6 + 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. 21 + -6x + -3x = -6 + 3x + -3x Combine like terms: -6x + -3x = -9x 21 + -9x = -6 + 3x + -3x Combine like terms: 3x + -3x = 0 21 + -9x = -6 + 0 21 + -9x = -6 Add '-21' to each side of the equation. 21 + -21 + -9x = -6 + -21 Combine like terms: 21 + -21 = 0 0 + -9x = -6 + -21 -9x = -6 + -21 Combine like terms: -6 + -21 = -27 -9x = -27 Divide each side by '-9'. x = 3 Simplifying x = 3
| 4x=22/3 | | 4z^4-6z^3-18z^2= | | 0.8q-0.3(210-q)=80 | | 100/440 | | X(2-y)= | | -4(2x-5)=-20 | | 0.16(y-9)+0.14=0.20y-0.07(30) | | 199=22x+15y | | 3(m-1)=9+m | | 9x+52=14x-3 | | 1*x*19= | | 1-4(x-8)=7 | | (9y-187)+(11y-263)=180 | | 3y-9-10y+8= | | 3x+2(5x+4)=45 | | 2*(4+9)= | | 2.5*w*1= | | (1x+-5)(1x+-5)3x=-7 | | 8d+36=14d-14 | | 9/x=8/6 | | 1/3(7x-1)=2x+7 | | 8.44x+84.4=168.8 | | 2x+9=x+15 | | 4x4-2x6/4+2x6 | | 8x=30 | | 2*2.1(2.8*1.5)= | | -3x+6=16-x | | 0.2x-0.25=0.5 | | 13*0*p= | | -(3-5x)=12 | | 199=(15x+22y) | | -3-7x=25 |