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Simplifying 7u + -8 = 2(u + 6) Reorder the terms: -8 + 7u = 2(u + 6) Reorder the terms: -8 + 7u = 2(6 + u) -8 + 7u = (6 * 2 + u * 2) -8 + 7u = (12 + 2u) Solving -8 + 7u = 12 + 2u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-2u' to each side of the equation. -8 + 7u + -2u = 12 + 2u + -2u Combine like terms: 7u + -2u = 5u -8 + 5u = 12 + 2u + -2u Combine like terms: 2u + -2u = 0 -8 + 5u = 12 + 0 -8 + 5u = 12 Add '8' to each side of the equation. -8 + 8 + 5u = 12 + 8 Combine like terms: -8 + 8 = 0 0 + 5u = 12 + 8 5u = 12 + 8 Combine like terms: 12 + 8 = 20 5u = 20 Divide each side by '5'. u = 4 Simplifying u = 4
| S=b+(m-4)d | | 4(a-2)=5a-3 | | 4Cx+y=4C^2 | | 9a-12=5a+12 | | -7(y+2)=-5y-12 | | 9x-3=3x+4 | | 4(9y+1)= | | 3(x+2)-2=19 | | 61=2x-3 | | 2v-17=5(v-7) | | 7k-16=3k | | (3c/2b) | | 36=8x+4(x+3) | | 5g+2=3g+5 | | 5s-23=42 | | 5x^2+45x-20=0 | | 9m+4=10 | | 6(y-6)+5y=-3 | | -4w+2(w+4)=2 | | 3w+7x-13y+5w+6x+8y= | | 5(x+1)=-1 | | 5(x+1)=-14 | | 5u+6=9+30 | | 2(5x+1)=-3(2x-3) | | 2(x-2)+0.6=6 | | 5.76x^2+2.86x=1.35 | | 21x+1=20 | | 21x-1=20 | | 21x-1=30 | | 4(x+1)+6=-2 | | 4y=3x-24 | | 0.2(x+50)+1.6x=91 |