-13=-(-7+b)

Simple and best practice solution for -13=-(-7+b) 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=-(-7+b) equation:


Simplifying
-13 = -1(-7 + b)
-13 = (-7 * -1 + b * -1)
-13 = (7 + -1b)

Solving
-13 = 7 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-13 + b = 7 + -1b + b

Combine like terms: -1b + b = 0
-13 + b = 7 + 0
-13 + b = 7

Add '13' to each side of the equation.
-13 + 13 + b = 7 + 13

Combine like terms: -13 + 13 = 0
0 + b = 7 + 13
b = 7 + 13

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

Simplifying
b = 20

See similar equations:

| 0.15x+0.05(12-x)=0.10(-10) | | -4(v+5)=-25-5v | | 6(1+6n)+6=5(6n+2)+8n | | 1000*y=2.7963 | | -28+8m=-6(6-2m)-4 | | j^2-8= | | W^2+5w-44=0 | | 4.2*y=39.06 | | -3(1-6m)+6=3(m+1) | | n=3n-f | | 8n+33=-7(n+6) | | 0.5x-2.5=3.9x+2.4 | | (x^3-5x^2+12x+18)(x-2)= | | 28+3p=-1-7(5-5p) | | 28-0.03y=0.07y-12 | | -(r-7)+1=14-3r | | 5x+20=250 | | 5n-4=-19 | | -8(3x+7)=28+4x | | 5+7(7-8a)=390 | | 15=(2t-1) | | f(x)=(x-5)(x+6)(x+2) | | (x^2-6x+18)(x+1)= | | 0.4x+4.9=3.9 | | -2(1-8k)=126 | | 2a-7a=2a | | (5x+6)(4y-5)= | | 5(6x-4)=220 | | -5x+1=12x+1 | | R-4=-9+r | | -5x+1=112x+1 | | -2(v-7)=22-6v |

Equations solver categories