21=-5(6+8b)+7(b-6)

Simple and best practice solution for 21=-5(6+8b)+7(b-6) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 21=-5(6+8b)+7(b-6) equation: 



21=-5(6+8b)+7(b-6)

We move all terms to the left:

21-(-5(6+8b)+7(b-6))=0

We add all the numbers together, and all the variables

-(-5(8b+6)+7(b-6))+21=0



We calculate terms in parentheses: -(-5(8b+6)+7(b-6)), so:

-5(8b+6)+7(b-6)

We multiply parentheses

-40b+7b-30-42

We add all the numbers together, and all the variables

-33b-72

Back to the equation:

-(-33b-72)



We get rid of parentheses

33b+72+21=0

We add all the numbers together, and all the variables

33b+93=0

We move all terms containing b to the left, all other terms to the right

33b=-93

b=-93/33

b=-2+9/11

See similar equations:

| w^3​​=512 | | 30/77=6/7k | | 5/10x-3/10=25/10x+7/10 | | t2–16=0 | | g/4=302 | | 14/9k=1/3 | | -1t=9(t-10) | | 2r2=18 | | 17=7x+3=-5x | | -3(4p+4)-2(2-14p)-3(7+5p)=0 | | w2+49=0 | | z^2-2z15=0 | | x/7=x/8-2 | | -3-8v=-99 | | 3-8v=-99 | | -21=-6(x+3)-3(x+4) | | 7(x-4)^2-18=10 | | 4x-3+2x+11+x=180 | | 4(6x-2)+5(5-3x)-4(2x+1)=-3 | | x/6=x/5+9 | | 180=109-v | | 8x+2=-158 | | k/2-k=1 | | Y÷5+3÷8=y÷8-3÷8 | | 2^x+9•2^x=40 | | -u+183=72 | | -4k=-12/11 | | 3x^2+4x+12+2x^2-17x+92=110 | | 25(1-x)=-25x+25 | | 3(2b+6)+5(b+7)=53 | | 7(w+3)=2w+41 | | X=(7x+3)+(3x+13) |

Equations solver categories