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Simplifying 7(u + -3) + -3u = 19 Reorder the terms: 7(-3 + u) + -3u = 19 (-3 * 7 + u * 7) + -3u = 19 (-21 + 7u) + -3u = 19 Combine like terms: 7u + -3u = 4u -21 + 4u = 19 Solving -21 + 4u = 19 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + 4u = 19 + 21 Combine like terms: -21 + 21 = 0 0 + 4u = 19 + 21 4u = 19 + 21 Combine like terms: 19 + 21 = 40 4u = 40 Divide each side by '4'. u = 10 Simplifying u = 10
| .547=3.484x+.042 | | .746=3.484x+.042 | | -2(x+3)+5=8(x+4)+6 | | 3/5-4.5=14.8 | | 9x^4y^2/6xy2 | | 14=-5(4x+3)+21x | | .557=3.484x+.042 | | .466=3.484x+.042 | | .339=3.484x+.042 | | 8x+7-2x-7= | | .246=3.484x+.042 | | 0=5a^2-6ab-32b^2 | | -6=2v+3(v+3) | | 0=6y^2+31y+5 | | .102=3.484x+.042 | | .119=3.484x+.042 | | .126=3.484x+.042 | | .081=3.484x+.042 | | 5y-17+4y+6=16 | | .078=3.484x+.042 | | -2z+2.1-3.5z-1.7z+2= | | .128=3.484x+.042 | | .230=3.484x+.042 | | 125x+25= | | 60(0.25)+65(0.25)= | | 60x+65x= | | -34=-2y+4(y-4) | | .176=3.484x+.042 | | 3y=101 | | dy/dx-4x=-2xy | | 7x-3x+x-4+4x= | | y=65(0.25) |