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Simplifying 7 = 9a + 7 Reorder the terms: 7 = 7 + 9a Add '-7' to each side of the equation. 7 + -7 = 7 + -7 + 9a Combine like terms: 7 + -7 = 0 0 = 7 + -7 + 9a Combine like terms: 7 + -7 = 0 0 = 0 + 9a 0 = 9a Solving 0 = 9a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-9a' to each side of the equation. 0 + -9a = 9a + -9a Remove the zero: -9a = 9a + -9a Combine like terms: 9a + -9a = 0 -9a = 0 Divide each side by '-9'. a = 0 Simplifying a = 0
| 10c-9c+5c-5c=16 | | Log(12x-8)=2 | | 2x+2-8=24 | | r-(-40)=-68 | | -18h+17+16=3(-11h-14)+10h | | (-2+-1x)(7+-1x)= | | Z=25x+3y | | 8-(4+m)=5(x+6)-2 | | 4x-20=-20+4x | | 4(x/4=3)=-61 | | -18.96+16.6k=17.8k | | -15=h-3 | | -120=6(x-2) | | -2+-1x=0 | | -4.94-4.5f+5.11=-1.99-8.1f | | 2y+3=5y+-6 | | (u-2)(u-3)=0 | | 10x-69=45+4x | | 225=(40-x)(x) | | 2p+10= | | 5.5b-14.29=7.2b-13.78 | | 9x-3/7 | | 57=-4x+5 | | -2e^7v+5-10=-17 | | file:///C:/AOP/SH2015Curric/AOP.COM.Mathematics.08Pre-Algebra.2015/Prealgebra2015/5/x-3_4=1_4.gif | | 8n+48=112 | | 4x+8=3x+19 | | 4(x+5)+8x=12x-20 | | 76.50b=0.45 | | 11r+60=60 | | -3.85+14.6u=17.4u+6.9u+18.46 | | 3+b=18+6b |