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Simplifying 7(a + 1) = 4a + 13 Reorder the terms: 7(1 + a) = 4a + 13 (1 * 7 + a * 7) = 4a + 13 (7 + 7a) = 4a + 13 Reorder the terms: 7 + 7a = 13 + 4a Solving 7 + 7a = 13 + 4a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-4a' to each side of the equation. 7 + 7a + -4a = 13 + 4a + -4a Combine like terms: 7a + -4a = 3a 7 + 3a = 13 + 4a + -4a Combine like terms: 4a + -4a = 0 7 + 3a = 13 + 0 7 + 3a = 13 Add '-7' to each side of the equation. 7 + -7 + 3a = 13 + -7 Combine like terms: 7 + -7 = 0 0 + 3a = 13 + -7 3a = 13 + -7 Combine like terms: 13 + -7 = 6 3a = 6 Divide each side by '3'. a = 2 Simplifying a = 2
| r(x+2)=2x^2-5x+1 | | 2.5-x=20 | | 5x+10y=95 | | log^2(x)-1=0 | | f(x)=4x^2-5x+6 | | 2x=4y-8 | | logx=0.0688 | | -4(2y-9)+5y=24 | | Mean= | | 4x^3+120x^2-819x=0 | | 16c+4c= | | xtimesy=5 | | 128=3xy+y | | 3-8(X-5)=32 | | P=mq+r | | (X-21)=(71-x) | | 3xy+y=128 | | 16z-8=4+5z | | 8(T-1)=6(T+2)-T | | 3(3a+b)= | | -xw(4+3xw)= | | 1.5-x=-1.6 | | 5-d=2d-1 | | 3p+1=p+46 | | 6x^2-6x-12=60 | | 7x-5x-18= | | 6x^2-6x-12=69 | | 4x+9=7x-4 | | http://www.webassign.net/latexImages/1/e/340947104426f264afdcd81c1beb86.gif | | 0.3(X-5)= | | k-1.5k+0.5k=1 | | 2x+4=5a-32 |
