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Simplifying 100 + 80n = 250 + 70n Solving 100 + 80n = 250 + 70n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-70n' to each side of the equation. 100 + 80n + -70n = 250 + 70n + -70n Combine like terms: 80n + -70n = 10n 100 + 10n = 250 + 70n + -70n Combine like terms: 70n + -70n = 0 100 + 10n = 250 + 0 100 + 10n = 250 Add '-100' to each side of the equation. 100 + -100 + 10n = 250 + -100 Combine like terms: 100 + -100 = 0 0 + 10n = 250 + -100 10n = 250 + -100 Combine like terms: 250 + -100 = 150 10n = 150 Divide each side by '10'. n = 15 Simplifying n = 15
| 22=x+6+7x | | 8nx=-104 | | 4b-3=3b+5 | | 24=-5-t | | (2x^3-5x^2-3x)-2x^2= | | 8x/5-1/5(2-5x)=38/5+43x/5 | | 14x^-2/(2x)^2 | | 6m+5=-(1+-8m) | | 20a+15a-2a= | | 4000s-11000=20 | | .55(200-y)+.75y=128.8 | | 6m+5=(1-8m) | | 4(D)+34=70 | | 3(2x+1)=17-2(8-1) | | 11/10=8/16 | | (x-9)+8x= | | 16.95+.05h=22.95+.02h | | 0=-6k-3k | | 200-106=y | | 3p+(1-p)(1)=1p+(1-p)(4) | | (4/3)(3/4)=5k | | T/5=12/80 | | 19-5x=39 | | 20/30-9/10= | | 400x/150=1450 | | -6(-3)+3(-14)=12 | | .55x+.75(200-x)=128.8 | | 30,000,000/100,000 | | 400x-105=1450 | | 9p^2+72p-432=0 | | 40+4c=100+2c | | 400x+150=1450 |