-21-7b=7

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


Simplifying
-21 + -7b = 7

Solving
-21 + -7b = 7

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '21' to each side of the equation.
-21 + 21 + -7b = 7 + 21

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

Combine like terms: 7 + 21 = 28
-7b = 28

Divide each side by '-7'.
b = -4

Simplifying
b = -4

See similar equations:

| -8(s+4)=20 | | 2m+10=-6m-6 | | 5(3s+8)=160 | | sqrt(2-x)-(x^2)((2-x)^(-1/2))=0 | | 8(2l+8)=80 | | 1/3x^2=10 | | 20p+.15=80 | | (3xy)(-5xy)= | | (3/8)(2/6) | | (4x+2)(x+7)+(x-3)(4x+2)=0 | | 3x+3-5x=7+2x | | 5.4/0.8 | | 2z/9-4=1 | | 2a+6a=24 | | 68=c^2 | | (7k+12)+4= | | 2a-46+36+4a-2a-6= | | (X-2)/7 | | 2q-46+36+4a-2a-6= | | (2y^2-x)(x+4y)=0 | | 1(x-3)=3(-2+6) | | y=56x-7x^2 | | 5(x+1)=3x+10 | | 5(8d-5)= | | (x-1)*ln(x-1)-x*lnx=0 | | 4x+67=10x-11 | | 7-X=41 | | 1(x-3)=3(-2x+6) | | 5(6x+3)-21x=3(3x-5) | | 4x^2+13x-116=0 | | (36-x)/4=10 | | 16x-21x=1/3 |

Equations solver categories