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Simplifying 5a + -1(20a + -10a) + 10a + -1(20a + -5a) + 20a + -1(10a + -5a) = 1505 Combine like terms: 20a + -10a = 10a 5a + -1(10a) + 10a + -1(20a + -5a) + 20a + -1(10a + -5a) = 1505 Remove parenthesis around (10a) 5a + -1 * 10a + 10a + -1(20a + -5a) + 20a + -1(10a + -5a) = 1505 Multiply -1 * 10 5a + -10a + 10a + -1(20a + -5a) + 20a + -1(10a + -5a) = 1505 Combine like terms: 20a + -5a = 15a 5a + -10a + 10a + -1(15a) + 20a + -1(10a + -5a) = 1505 Remove parenthesis around (15a) 5a + -10a + 10a + -1 * 15a + 20a + -1(10a + -5a) = 1505 Multiply -1 * 15 5a + -10a + 10a + -15a + 20a + -1(10a + -5a) = 1505 Combine like terms: 10a + -5a = 5a 5a + -10a + 10a + -15a + 20a + -1(5a) = 1505 Remove parenthesis around (5a) 5a + -10a + 10a + -15a + 20a + -1 * 5a = 1505 Multiply -1 * 5 5a + -10a + 10a + -15a + 20a + -5a = 1505 Combine like terms: 5a + -10a = -5a -5a + 10a + -15a + 20a + -5a = 1505 Combine like terms: -5a + 10a = 5a 5a + -15a + 20a + -5a = 1505 Combine like terms: 5a + -15a = -10a -10a + 20a + -5a = 1505 Combine like terms: -10a + 20a = 10a 10a + -5a = 1505 Combine like terms: 10a + -5a = 5a 5a = 1505 Solving 5a = 1505 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Divide each side by '5'. a = 301 Simplifying a = 301
| 8a-9+6a=-31 | | 50=125+25x | | 2y^3-9x^2+3y^2+7x=-6 | | B=2x+3r | | -2*3+5=7*3-22 | | 12/4=z/12 | | 7-y=w/4 | | f(x+8)=6(x+8)-8 | | y=-5000x+45000 | | 125=50x+25 | | 5a+10a-(20a-5a)+20a-(10a-5a)=1505 | | y/5=12/20 | | 7x-14/x^2-2x | | 7x-2.2=3x | | 3y-6=6y | | 9t=90 | | 5a+10a-(20a+5a)+20a-(10a+5a)=1505 | | 3(2x)sqrt(2x+34)=0 | | 7x^2+43x=0 | | 125=25x+50 | | 5.5m=m+1 | | 3/10-w=8/10-6/10w | | 35x+45=40x-35 | | 9x-7-7= | | 5x=1x+1 | | 11x+38=101 | | 0.125(x+24)=0.625x+9-0.5x | | .50x+.15(70)=34 | | 0.1x+10.6=x-8.66 | | 3x+4-2x=31 | | 2x-4(x+6)=0 | | 3xsqrt(x+34)=0 |