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Simplifying 0.9(5x + 15) = 2.8 + -1(x + 3) Reorder the terms: 0.9(15 + 5x) = 2.8 + -1(x + 3) (15 * 0.9 + 5x * 0.9) = 2.8 + -1(x + 3) (13.5 + 4.5x) = 2.8 + -1(x + 3) Reorder the terms: 13.5 + 4.5x = 2.8 + -1(3 + x) 13.5 + 4.5x = 2.8 + (3 * -1 + x * -1) 13.5 + 4.5x = 2.8 + (-3 + -1x) Combine like terms: 2.8 + -3 = -0.2 13.5 + 4.5x = -0.2 + -1x Solving 13.5 + 4.5x = -0.2 + -1x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'x' to each side of the equation. 13.5 + 4.5x + x = -0.2 + -1x + x Combine like terms: 4.5x + x = 5.5x 13.5 + 5.5x = -0.2 + -1x + x Combine like terms: -1x + x = 0 13.5 + 5.5x = -0.2 + 0 13.5 + 5.5x = -0.2 Add '-13.5' to each side of the equation. 13.5 + -13.5 + 5.5x = -0.2 + -13.5 Combine like terms: 13.5 + -13.5 = 0.0 0.0 + 5.5x = -0.2 + -13.5 5.5x = -0.2 + -13.5 Combine like terms: -0.2 + -13.5 = -13.7 5.5x = -13.7 Divide each side by '5.5'. x = -2.490909091 Simplifying x = -2.490909091
| -b-1=-11/7 | | 7b+2=-19 | | 7/8+4b=295/8 | | 1+6n=43 | | 3/4m+1/10=47/20 | | 10-7w=27/2 | | 1/3+6m=163/3 | | (x^5y^4)1/2 | | -3/10+2k=-3/10 | | 1/4+7b=57/4 | | 4/5m+2/3=13/15 | | 8(k+1)+3(12-2k)=6k-4-6k | | -1/2b+1/3=-8/3 | | 5k+1/2=23/6 | | 2/3t-1=-14/9 | | y=x^3+2x^2-3x-3 | | 6b+8=64/5 | | 10-7k=6 | | -7x-8=55 | | 7+3m=53/8 | | y=x^3+2x-3x-3 | | 5b-2/9=493/9 | | -1/2a-1/2=-1/4 | | 6b+1=-35 | | 2/3a+3=83/33 | | 3/5-4/5b=17/55 | | 3/5t+1=13/10 | | 1/2-3a=-71/2 | | -1+4d=15 | | 5m+7=16/3 | | -1/7w+6=34/7 | | 1/4+4m=171/44 |