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Simplifying 7 + -1(2b) = 19 Remove parenthesis around (2b) 7 + -1 * 2b = 19 Multiply -1 * 2 7 + -2b = 19 Solving 7 + -2b = 19 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2b = 19 + -7 Combine like terms: 7 + -7 = 0 0 + -2b = 19 + -7 -2b = 19 + -7 Combine like terms: 19 + -7 = 12 -2b = 12 Divide each side by '-2'. b = -6 Simplifying b = -6
| 9+y+y=1 | | 2t+2/16=5t+1/8 | | 4u+6-2(-3u-3)=2(u-1) | | ((2x-5)^2)/(2)=-9 | | 13x+20=2x+20 | | 10x^3+9x^2+2x= | | 3w-7/21 | | 2x+123=2+13 | | 1/9(y+18)-1/3(2y+3)=y+3 | | 20x-24+5=22x+132-19 | | x+7=1+2x | | 14a+5=75 | | Y/4-7y/3=5 | | -y-8+6y=-9+5y | | 115-8d=19 | | p=(a+3)+(2a-8)+(3a-3)+(a-1) | | x/4-x/8=5/2 | | 23y+4x=86 | | 60+42.95=25+49.95 | | -4(6-2v)-(2v-3)=-27 | | 16(x-7)=-4(x-38) | | R=L-rl | | 14x^2-3y+5= | | 4a-4a^2=-36 | | (2a-5)(a^2-1)= | | 2(-3x+1)=-5(x-4)-14x | | 33.75/7.5 | | 3y-x=-13 | | (x-3)/2=8/9 | | 7.5/33.75 | | -2m/7=36 | | 33.75/7.50 |