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Simplifying x + 20 + 2x = -3 + -2x + -7 Reorder the terms: 20 + x + 2x = -3 + -2x + -7 Combine like terms: x + 2x = 3x 20 + 3x = -3 + -2x + -7 Reorder the terms: 20 + 3x = -3 + -7 + -2x Combine like terms: -3 + -7 = -10 20 + 3x = -10 + -2x Solving 20 + 3x = -10 + -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. 20 + 3x + 2x = -10 + -2x + 2x Combine like terms: 3x + 2x = 5x 20 + 5x = -10 + -2x + 2x Combine like terms: -2x + 2x = 0 20 + 5x = -10 + 0 20 + 5x = -10 Add '-20' to each side of the equation. 20 + -20 + 5x = -10 + -20 Combine like terms: 20 + -20 = 0 0 + 5x = -10 + -20 5x = -10 + -20 Combine like terms: -10 + -20 = -30 5x = -30 Divide each side by '5'. x = -6 Simplifying x = -6
| 2a-15=-20 | | (3x+66)+(x+6)=180 | | x/(-4)=-6 | | 35a^3+10a^2-14a-4=0 | | 6x^2-12/5x-4 | | d(t)=8t+20 | | 49x^3+14x^2+14x+4=0 | | 2x*x+7x+4=0 | | (5x^2)+1=2x | | 6-x=27 | | K+5=20+-2k | | (6x+6)(2x^2+8x+8)= | | 7t(1/t) | | 36t+8t=9t+36 | | 16y-5(2y+3)= | | 3+3-2.3+u=(3+3+3-3.8)(2)+U | | -3-6a=-9-3a | | (4a-9)(-3a^2+5a+1)= | | f(x)=tan^2(3x-2) | | 6k+(3-10-8)=(2-3)k+22 | | 4=P*0.03*1-12 | | (4-2+2+5)w=25 | | -9+4m^2-10m+12+6m^2-3m^2-7m^3= | | 5y^3(-8+5y)= | | -5+11=14x-3-13x | | 4x^2+17= | | 64a^2-48a+9=0 | | (2a^2b)(4ab^2-3b^2+2a^2b^2)= | | 20=60-9+2 | | 20=60-7+2 | | 4x+7xy+9y+8+6xy+3= | | 20=60-5+2 |