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Simplifying 7 = -8 + 3u Solving 7 = -8 + 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. 7 + -3u = -8 + 3u + -3u Combine like terms: 3u + -3u = 0 7 + -3u = -8 + 0 7 + -3u = -8 Add '-7' to each side of the equation. 7 + -7 + -3u = -8 + -7 Combine like terms: 7 + -7 = 0 0 + -3u = -8 + -7 -3u = -8 + -7 Combine like terms: -8 + -7 = -15 -3u = -15 Divide each side by '-3'. u = 5 Simplifying u = 5
| 7x+39=10x+22 | | g(x)=6x-45 | | 17x+23=38 | | 2x-3=31 | | y=36x^2 | | 21w-15xw-7+5x= | | 8(3x-5)=32 | | 2=3v-2v | | 1500=17x+12y | | 4u-1=4(4-u)-1 | | f(x)=2x-x^2+8 | | 4b-5=3(1+b)+b | | (7a^3-2a^2+6)-(7a^2+2a-4)= | | 28/23 | | 2x^2-12x-182=0 | | (b+1)(b+1)=0 | | 28*x=23 | | 10w-12w=8 | | 7.6+4.8+12=n | | 15=5x/9 | | 5/2=×/3/4 | | 3(k+5)=18 | | 2x+1/3=x-1/5 | | x(2x-12)=182 | | 950^3=4/3(3.14)r^3 | | 3.45+4= | | a^-2b^4c^5/a^-4b^-4c^3 | | 950=4/3(3.14)r^3 | | 10x/x-4*8x-32/8x-16 | | 21x^2y/14xy^2 | | 38=3-5m | | -2x-7+3c=10 |