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Simplifying 0.5(x + 20) + -8 = 0.8(2x + 4) Reorder the terms: 0.5(20 + x) + -8 = 0.8(2x + 4) (20 * 0.5 + x * 0.5) + -8 = 0.8(2x + 4) (10 + 0.5x) + -8 = 0.8(2x + 4) Reorder the terms: 10 + -8 + 0.5x = 0.8(2x + 4) Combine like terms: 10 + -8 = 2 2 + 0.5x = 0.8(2x + 4) Reorder the terms: 2 + 0.5x = 0.8(4 + 2x) 2 + 0.5x = (4 * 0.8 + 2x * 0.8) 2 + 0.5x = (3.2 + 1.6x) Solving 2 + 0.5x = 3.2 + 1.6x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.6x' to each side of the equation. 2 + 0.5x + -1.6x = 3.2 + 1.6x + -1.6x Combine like terms: 0.5x + -1.6x = -1.1x 2 + -1.1x = 3.2 + 1.6x + -1.6x Combine like terms: 1.6x + -1.6x = 0.0 2 + -1.1x = 3.2 + 0.0 2 + -1.1x = 3.2 Add '-2' to each side of the equation. 2 + -2 + -1.1x = 3.2 + -2 Combine like terms: 2 + -2 = 0 0 + -1.1x = 3.2 + -2 -1.1x = 3.2 + -2 Combine like terms: 3.2 + -2 = 1.2 -1.1x = 1.2 Divide each side by '-1.1'. x = -1.090909091 Simplifying x = -1.090909091
| -10n=-170 | | a=b+4h | | .334/1000 | | 6x+42x^2= | | 2(4x+3)=35 | | 12m=3m+08 | | (-5x)-6=300 | | -y+3=6x-y | | x+2.6666666666666666666666666666667=0.33333333333333333333333333333333x | | -18=x/14 | | 4x-8-6x=8x-2 | | 4x+10=x^2-2x-6 | | 7=-6x-19 | | 9/800=p/2500 | | -7=9y | | 4.5+(-16.5)= | | 1/3(y-7)=2y-6 | | (-5x)6=300 | | 9*lnx= | | 2y+38=70 | | 14+n=54 | | X+.08=21.6 | | 3x+6+8x=115 | | -3x+2y=21 | | (-12)+(-4.5)= | | 12x-4=3x | | -17=n/14 | | a/4=1=13 | | 4x+5z+2= | | 7x+4=7(x+9) | | (-12)+(-45)= | | 18x-5x=x+24 |