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Simplifying (3 + -7x) + 2(5x + 1) = x Remove parenthesis around (3 + -7x) 3 + -7x + 2(5x + 1) = x Reorder the terms: 3 + -7x + 2(1 + 5x) = x 3 + -7x + (1 * 2 + 5x * 2) = x 3 + -7x + (2 + 10x) = x Reorder the terms: 3 + 2 + -7x + 10x = x Combine like terms: 3 + 2 = 5 5 + -7x + 10x = x Combine like terms: -7x + 10x = 3x 5 + 3x = x Solving 5 + 3x = x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 5 + 3x + -1x = x + -1x Combine like terms: 3x + -1x = 2x 5 + 2x = x + -1x Combine like terms: x + -1x = 0 5 + 2x = 0 Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5
| 6n+-3n=-9 | | (3-7x)+(5x+1)=x | | 3(3w+4)=-20 | | http://media.education2020.com/evresources/3108-05-09/mc015-1.jpg | | f(x)=-x^2+6x+5 | | 5.75=(1.5x^2)-6 | | 2+5lnx=13 | | 4(3x+2)+20=6x+4 | | n^2+5n-17=7 | | 3(2j-k)-4(j-2k)= | | -3ab(-9a^3+8b^3)=0 | | 13.1z-0.7z=8.2 | | 224=16t^2 | | 8X-4(X-9)=2(X-3)+1 | | Y=(1.5x^2)-6 | | (-9-6+7n-4)3n-15= | | 8x+6y=105 | | 6x+7=7x+8 | | 3t^2-4t-7=20 | | x+3y+6x=x | | =11/8 | | 5-5x=-35 | | 160=27-w | | 0.3*0.4*0.5= | | 20.00+0.75=1.75 | | 8x+32=54 | | -28-6= | | 3x^2-1=6 | | f(x)=6+3x-x^2 | | ln(x+1)+ln(8)=4 | | 104=-8(4+-3r)+-7r | | 6k-31fork=9 |
