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Simplifying -7b + -3(b + -7) = -10b + -3(b + -9) Reorder the terms: -7b + -3(-7 + b) = -10b + -3(b + -9) -7b + (-7 * -3 + b * -3) = -10b + -3(b + -9) -7b + (21 + -3b) = -10b + -3(b + -9) Reorder the terms: 21 + -7b + -3b = -10b + -3(b + -9) Combine like terms: -7b + -3b = -10b 21 + -10b = -10b + -3(b + -9) Reorder the terms: 21 + -10b = -10b + -3(-9 + b) 21 + -10b = -10b + (-9 * -3 + b * -3) 21 + -10b = -10b + (27 + -3b) Reorder the terms: 21 + -10b = 27 + -10b + -3b Combine like terms: -10b + -3b = -13b 21 + -10b = 27 + -13b Solving 21 + -10b = 27 + -13b Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '13b' to each side of the equation. 21 + -10b + 13b = 27 + -13b + 13b Combine like terms: -10b + 13b = 3b 21 + 3b = 27 + -13b + 13b Combine like terms: -13b + 13b = 0 21 + 3b = 27 + 0 21 + 3b = 27 Add '-21' to each side of the equation. 21 + -21 + 3b = 27 + -21 Combine like terms: 21 + -21 = 0 0 + 3b = 27 + -21 3b = 27 + -21 Combine like terms: 27 + -21 = 6 3b = 6 Divide each side by '3'. b = 2 Simplifying b = 2
| 123*7= | | y=8-30sqrt(9) | | 0.03-0.04x=1.85 | | 8(5x-7)=44 | | 3a=-24+4a | | 10x+3+9x-3+4x+2+12x-9+8x-12=540 | | 6(a+3)=72 | | 60+7x=2x | | cos(4x)=1 | | 3a-8=a+12 | | (7*e)x=2.4 | | 2[7(x-3)-8]=54 | | 550+210x=10000 | | 7*ex=2.4 | | 4m+n+11m+4n= | | 3.50+2.50x=16.00 | | 9(-5x+12)=2(85+3x) | | 8x^3-2x^2-10x=0 | | 9(-5x+12)=2(89+3x) | | 4(n-3)=60 | | 10x+20=18x+-20 | | 5x^2=1+4x | | 2x+4+3x-6=48 | | 5x+4y-16=4x+y+4 | | 7*lnx=2.4 | | F+-2=4 | | 5+3(q-4)=1(q+1) | | 3p=4-3p+6 | | a+10*b+(a^2)=0 | | 7(4+j)=12 | | (6x^2-15)=(5x^2-2x) | | 3x+7+x+1=44 |