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: 


Simplifying
2b + -7 = -21

Reorder the terms:
-7 + 2b = -21

Solving
-7 + 2b = -21

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 = -21 + 7

Combine like terms: -7 + 7 = 0
0 + 2b = -21 + 7
2b = -21 + 7

Combine like terms: -21 + 7 = -14
2b = -14

Divide each side by '2'.
b = -7

Simplifying
b = -7

See similar equations:

| 7p+50=15 | | 7x-4+10x+3= | | 3x+9=3(x+2) | | 5x+4y=45 | | -3.3-3m-1.6-7m=-9m+3.4 | | 2(5-3r)=-4r-16 | | 26x+9-15=14 | | 5n-2n-10=-17 | | -2b+-7=-21 | | 2x-6y=-36 | | 3(x-6)-4x=-3 | | 2x-7=7x+7 | | 3x+1y=18 | | 6x-72+2x=24 | | 2n+1-4n= | | -6f=42 | | -6g+-5=61 | | -38+4+x-7=11 | | 3x+11=8x-5 | | 17-20q=4(5q-13) | | 8x+32-6x+4=180 | | 17-20q=4(5q-13)5 | | 3b+4g=12 | | 17-20q=4(-5q-13) | | 0.02n+1=11 | | 7x(2-1)=28 | | 2x^4-9x^2+7=0 | | 3b+4g=12forg | | 2(5-3r)=-4-16 | | -4(r+5)=-73 | | J-6=30 | | 175m-125m+38000=40600-150m |

Equations solver categories