126=-3(-7b-7)

Simple and best practice solution for 126=-3(-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 126=-3(-7b-7) equation:


Simplifying
126 = -3(-7b + -7)

Reorder the terms:
126 = -3(-7 + -7b)
126 = (-7 * -3 + -7b * -3)
126 = (21 + 21b)

Solving
126 = 21 + 21b

Solving for variable 'b'.

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

Add '-21b' to each side of the equation.
126 + -21b = 21 + 21b + -21b

Combine like terms: 21b + -21b = 0
126 + -21b = 21 + 0
126 + -21b = 21

Add '-126' to each side of the equation.
126 + -126 + -21b = 21 + -126

Combine like terms: 126 + -126 = 0
0 + -21b = 21 + -126
-21b = 21 + -126

Combine like terms: 21 + -126 = -105
-21b = -105

Divide each side by '-21'.
b = 5

Simplifying
b = 5

See similar equations:

| 224=-7(-6n-8) | | c=2a-8c | | 4(3+7x)+5=-123 | | -(2y)/6=-78 | | (-2y)/6=-78 | | 3a+9=9 | | (2x+18-8)6(6x+12)= | | 26.5x+26x+20x=5500 | | 5i/6-3i | | 2x+7=53-10x | | 18=4x-x | | x/20=/12 | | 20=-5+n | | m+5/-16=-1 | | 3kx+9ky=5 | | -7x-54=-4x+11-8x | | 3x-51=-2x+4 | | 3ln(x+6)/x^2 | | 0.6(x+50)+0.2x=46 | | b=1/2*k*p | | 6x+300+2x=46 | | 2x+73=7x+8 | | 6b+12=4b-10 | | 8x-7=9x+4 | | -6x=1 | | -8x-24=12y | | n+16=-12 | | 5x+17y=23 | | 2x+46=6x+7 | | 1996+43x=7385+(-67x) | | 602-67x=2.5 | | 5+4x+(-3)=10 |

Equations solver categories