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Simplifying 0.20(49 + -1b) + -0.05b = 7.50 (49 * 0.20 + -1b * 0.20) + -0.05b = 7.50 (9.8 + -0.2b) + -0.05b = 7.50 Combine like terms: -0.2b + -0.05b = -0.25b 9.8 + -0.25b = 7.50 Solving 9.8 + -0.25b = 7.50 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-9.8' to each side of the equation. 9.8 + -9.8 + -0.25b = 7.50 + -9.8 Combine like terms: 9.8 + -9.8 = 0.0 0.0 + -0.25b = 7.50 + -9.8 -0.25b = 7.50 + -9.8 Combine like terms: 7.50 + -9.8 = -2.3 -0.25b = -2.3 Divide each side by '-0.25'. b = 9.2 Simplifying b = 9.2
| 6x^5-6x^3= | | (-3+7p)(3+7p)= | | 980-.20b-.05b=7.50 | | A/5=2.2 | | 3x+11=-2 | | 0.60=1.5n | | 0.3(24)+0.05x=0.15(18+x) | | 6p^4(3p^9)= | | 25y=12(2y+12) | | (-1+6p)(1+6p)= | | 980-20b-.05b=7.50 | | (1/1)*(9/9)-(1/9)=8/9 | | 5(1)+3y=-11 | | -2(1)+y=0 | | (1/1)*(9x/9x)-(1/9x)=8/9 | | -x/3-6=0 | | 0.9y=0.36 | | 3(2)-2y=7 | | 5x-1=2x-3x+11 | | -18.58+13.5r=15.6r+18.17 | | 3+2=-1 | | 3x-5x+9=-x | | 2(3)+3y=0 | | 18.46+14.6j=8.1j-14.04 | | (4/5)y-2=3 | | 8-2x=-5-5 | | 5.7q-19.11-18.7q=19.46-10.1q | | 144-9v^2=0 | | 14.96-14.3n=-15.1n | | 4x+-7=16 | | 5y-7y-(3y+6)=16y-3(8y-9) | | -20+18u=16u+20 |