2b-(-7)=-21

Simple and best practice solution for 2b-(-7)=-21 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 2b-(-7)=-21 equation: 



2b-(-7)=-21

We move all terms to the left:

2b-(-7)-(-21)=0

We add all the numbers together, and all the variables

2b+28=0

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

2b=-28

b=-28/2

b=-14

See similar equations:

| 12x-15=3x-12 | | 4+2(x+1)=6x+2 | | 1/4x-11=50 | | .2x=488 | | 63=17w-8w | | (x−3)(x+5)=1 | | 6y+5=31 | | 4x+5(4x+2)=-38 | | 6x+25=240x-60 | | x+25=4x | | x-12=36/5 | | 6y/3-5=7 | | 7(7-6x)=275 | | 3y+3=6y-15 | | 94=6x | | 8x+50=8×+50 | | 3x-36=2x+8-24 | | 1÷2×(x-3)+(3x+5)×x=105 | | 9k+9=5 | | 33x=45+90×180 | | |7x+8|+9=4 | | X+2X+3x=78 | | (6x+4)=(7x+7) | | 4y3−7y2+28=16y. | | -x-2.9(-3x-7)+5=-(4.9x+4.8) | | -6(2+8x)=-120 | | 4.1x-17.06=5.9 | | 3.2x-18.32=7.6 | | (x-25)°=175 | | x-33=0 | | 9x+15=4x+45 | | 12^3x+24=60 |

Equations solver categories