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Simplifying 3 = u + 2u Combine like terms: u + 2u = 3u 3 = 3u Solving 3 = 3u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-3u' to each side of the equation. 3 + -3u = 3u + -3u Combine like terms: 3u + -3u = 0 3 + -3u = 0 Add '-3' to each side of the equation. 3 + -3 + -3u = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -3u = 0 + -3 -3u = 0 + -3 Combine like terms: 0 + -3 = -3 -3u = -3 Divide each side by '-3'. u = 1 Simplifying u = 1
| 3=u+3u | | -9.1c+8.5=399.8 | | 3j^2=75 | | -1.8c+5.3=30.5 | | 8v^2+61=37 | | -6.8c+6=84.2 | | 3(7x-2)+4(19-3x)=4(2x+5)-12 | | -s+3.8=23.9 | | 5q^2+70=0 | | 2.7d-5=46.57 | | f(z)=z^2-7+12 | | x=3/cos28 | | 4.5b+4.5=172.35 | | 3/cos28 | | -6.2t=310 | | -11y+9=53 | | 3log(x^2+1)=x | | V^2-66=-2 | | -3.5n=60.55 | | X+(5+10+5)=15 | | 4x+-1+8x=18x+5 | | 4t^2+40=76 | | 100y^2-4=0 | | 7y-6=-48 | | Log^13(-2x+1)=Log^13(-3x-1) | | 5/12x5/6 | | 2w^2+10-252=0 | | ln(5x)-2ln(4x)=3 | | 2w^2+10-253=0 | | x^2+0.1x-0.000893=0 | | 2w^2-10+252=0 | | 3x+7+2x-3=29 |