(9b-2)-2(4b+4)=-7

Simple and best practice solution for (9b-2)-2(4b+4)=-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 (9b-2)-2(4b+4)=-7 equation:


Simplifying
(9b + -2) + -2(4b + 4) = -7

Reorder the terms:
(-2 + 9b) + -2(4b + 4) = -7

Remove parenthesis around (-2 + 9b)
-2 + 9b + -2(4b + 4) = -7

Reorder the terms:
-2 + 9b + -2(4 + 4b) = -7
-2 + 9b + (4 * -2 + 4b * -2) = -7
-2 + 9b + (-8 + -8b) = -7

Reorder the terms:
-2 + -8 + 9b + -8b = -7

Combine like terms: -2 + -8 = -10
-10 + 9b + -8b = -7

Combine like terms: 9b + -8b = 1b
-10 + 1b = -7

Solving
-10 + 1b = -7

Solving for variable 'b'.

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

Add '10' to each side of the equation.
-10 + 10 + 1b = -7 + 10

Combine like terms: -10 + 10 = 0
0 + 1b = -7 + 10
1b = -7 + 10

Combine like terms: -7 + 10 = 3
1b = 3

Divide each side by '1'.
b = 3

Simplifying
b = 3

See similar equations:

| 4x+1/2=5/6 | | d=(F+2)/p | | P^2+13p=-50 | | 3(-1)-y=10 | | X^2=16-4 | | C^2-10c=-21 | | 3/4x=12-x | | x^2+21x+147=0 | | 2y+16=16 | | 12x^2-16x+16=0 | | (n-15)*(15-n)= | | 100=x(10)+100+60 | | 0.0163212q^2-551q-160000000=0 | | 1.4=30+x | | 31x-20+3x+2=38 | | 179/7-76/7 | | 3m^2+m-10=0 | | 3m^2+20m-10=0 | | 85x+14=42x-24 | | (9n)*(15-n)= | | 40d+7.50d=12.50 | | 7n=2n+35 | | 3m^2+m=0 | | (x-7)(x-4)=80 | | 3x+4=2x-2 | | (n-15)*(3n^5)= | | 2x^2+11x-20=5x+16 | | 9+7x=93 | | (5/y)-(5/y-6)-6=0 | | 12x^2+79x+42=0 | | 4x+29=31 | | U=3(7n+35)+4(n+1) |

Equations solver categories