13=b-(-20)

Simple and best practice solution for 13=b-(-20) 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 13=b-(-20) equation:


Simplifying
13 = b + -1(-20)

Multiply -1 * -20
13 = b + 20

Reorder the terms:
13 = 20 + b

Solving
13 = 20 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
13 + -1b = 20 + b + -1b

Combine like terms: b + -1b = 0
13 + -1b = 20 + 0
13 + -1b = 20

Add '-13' to each side of the equation.
13 + -13 + -1b = 20 + -13

Combine like terms: 13 + -13 = 0
0 + -1b = 20 + -13
-1b = 20 + -13

Combine like terms: 20 + -13 = 7
-1b = 7

Divide each side by '-1'.
b = -7

Simplifying
b = -7

See similar equations:

| -7/3=3/5u-7/2 | | 5/9(158-32) | | 3(4+2x)=10 | | -13=-2(4)+b | | m/-3-6=-10 | | -1=-13-v | | 5x*lnx+3lnx-10x-6=0 | | 26/9=8/x | | m/6=88/60 | | (4*-1)-(2x+2)=x+5 | | 4x+7.7=82.1 | | 4=3(2)-b | | -2x+9+6x=-3x+2 | | -2+x=11 | | 5/9(149-32) | | 1/k=5/13 | | 26=15-p | | -4/5=4/7y-1/2 | | 3+5ln(4x)=18 | | n+20=13 | | 3x^2(2y+5x)= | | 33337.0664=3.14*r^2 | | z^2+2z+3z^2= | | 6n+9=-3n-21-6forn | | 9x^3+12x=0 | | V/4-3.4=-9.8 | | 11x+5-2x=9x+5 | | 16x^2+16x+9y^2+72y=144 | | -3x(2+4x)=60 | | -2c(-c-20)=-2c-20 | | 16x^2+16x+9y^2+72y+4=0 | | X-2.5=26.5 |

Equations solver categories