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Simplifying (2x + -5) + (x + 7) + (x + 6) = 40 Reorder the terms: (-5 + 2x) + (x + 7) + (x + 6) = 40 Remove parenthesis around (-5 + 2x) -5 + 2x + (x + 7) + (x + 6) = 40 Reorder the terms: -5 + 2x + (7 + x) + (x + 6) = 40 Remove parenthesis around (7 + x) -5 + 2x + 7 + x + (x + 6) = 40 Reorder the terms: -5 + 2x + 7 + x + (6 + x) = 40 Remove parenthesis around (6 + x) -5 + 2x + 7 + x + 6 + x = 40 Reorder the terms: -5 + 7 + 6 + 2x + x + x = 40 Combine like terms: -5 + 7 = 2 2 + 6 + 2x + x + x = 40 Combine like terms: 2 + 6 = 8 8 + 2x + x + x = 40 Combine like terms: 2x + x = 3x 8 + 3x + x = 40 Combine like terms: 3x + x = 4x 8 + 4x = 40 Solving 8 + 4x = 40 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 4x = 40 + -8 Combine like terms: 8 + -8 = 0 0 + 4x = 40 + -8 4x = 40 + -8 Combine like terms: 40 + -8 = 32 4x = 32 Divide each side by '4'. x = 8 Simplifying x = 8
| 7(x+8)=(4x+7)-11 | | 3x+4x+x=32+3 | | X^4+9x+2=0 | | 3x+4x+x=32+2 | | 4/x=1.94 | | x*x+2x-1=4x+3 | | 7(y+5)+3(16-y)=135 | | (x-10)(x+3)=0 | | (-0.00000001894672415)+(-1.26011467)+(-0.0001980180196)= | | 45a^3d-75a^2d^2-30ad^3=0 | | 2105+111101000000b+140000000000h+22000000o= | | 6h-4k=7 | | 10x+12=72 | | x^2+67=0 | | 2(3x-2)=3(1+x) | | (14(h)*10000000000)+(1111(b)*100000000)+(22(o)*1000000)+(10(b)*100000)+2105= | | 9a^2+25a-6=0 | | 3(2c+1)=15 | | 3x+5=52 | | (x-4)=8(x-31) | | 2x+14y=2y | | 3(9x+1)=5(7x-1) | | 2(5x+3)=7x+23 | | 12x+9=4x+48 | | 10x+3=8x+12 | | 225x^2-36y^2=0 | | 2(3-7x)=5(3-x) | | x^5-m^3-m^2+1= | | 600=90-16X+9X+5 | | 18(8c-1)-10=142c+18 | | 4a-2b-5a-6b= | | 2(3z-3)-2(2-2z)=2 |