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Simplifying 3u + 13 = 7(u + -1) Reorder the terms: 13 + 3u = 7(u + -1) Reorder the terms: 13 + 3u = 7(-1 + u) 13 + 3u = (-1 * 7 + u * 7) 13 + 3u = (-7 + 7u) Solving 13 + 3u = -7 + 7u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-7u' to each side of the equation. 13 + 3u + -7u = -7 + 7u + -7u Combine like terms: 3u + -7u = -4u 13 + -4u = -7 + 7u + -7u Combine like terms: 7u + -7u = 0 13 + -4u = -7 + 0 13 + -4u = -7 Add '-13' to each side of the equation. 13 + -13 + -4u = -7 + -13 Combine like terms: 13 + -13 = 0 0 + -4u = -7 + -13 -4u = -7 + -13 Combine like terms: -7 + -13 = -20 -4u = -20 Divide each side by '-4'. u = 5 Simplifying u = 5
| 5(x+3)=5x | | 10x+8y=13 | | 6(2x+3)=2(2x+3) | | 29=6q+5 | | .8x-3.9=-1.5 | | 3x(x-2)=x-6 | | n-76=125 | | 6x-y-3=0 | | 3/1-26/6 | | x(3x+4)=91 | | y^3+2y^2=34 | | 4x-2=-6/3 | | 11y+3=-18 | | (2x+y)*(5x+3y)=7 | | a(a+8)=0 | | 32=2x+y | | y^3+2y^2-34=0 | | 1/2-16/16 | | 2/3-16/15 | | 110p=510 | | 2/1-24/6 | | x/5-2=5(x-3)/4 | | 2x+y-z=k | | 5x+9y=6380 | | 5/4-23/12 | | (x^4)-(8x^2)+16=0 | | 6a-5ab= | | 16200=29700 | | 4/5-17/15 | | 0.05x+y+3z=100 | | 2x+4.5+15=24 | | 16.200=29.700 |