(28b-2)-9(3b+1)=-7

Simple and best practice solution for (28b-2)-9(3b+1)=-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 (28b-2)-9(3b+1)=-7 equation:


Simplifying
(28b + -2) + -9(3b + 1) = -7

Reorder the terms:
(-2 + 28b) + -9(3b + 1) = -7

Remove parenthesis around (-2 + 28b)
-2 + 28b + -9(3b + 1) = -7

Reorder the terms:
-2 + 28b + -9(1 + 3b) = -7
-2 + 28b + (1 * -9 + 3b * -9) = -7
-2 + 28b + (-9 + -27b) = -7

Reorder the terms:
-2 + -9 + 28b + -27b = -7

Combine like terms: -2 + -9 = -11
-11 + 28b + -27b = -7

Combine like terms: 28b + -27b = 1b
-11 + 1b = -7

Solving
-11 + 1b = -7

Solving for variable 'b'.

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

Add '11' to each side of the equation.
-11 + 11 + 1b = -7 + 11

Combine like terms: -11 + 11 = 0
0 + 1b = -7 + 11
1b = -7 + 11

Combine like terms: -7 + 11 = 4
1b = 4

Divide each side by '1'.
b = 4

Simplifying
b = 4

See similar equations:

| 4(x+6)=3 | | -5x+x^3=12.2 | | 3b=b+24 | | 9(8p+5)= | | 7c+12=-4c+8 | | -bx=3 | | 5(5v-4)=40 | | 4k+40=16 | | 6k+40=16 | | 4-bx=7 | | -6(5y)-7+3(7y+4)= | | t^3-9t^2+15t=0 | | 5/12a=14/12 | | -3+-6a=93 | | F(x)=8+3x^2 | | 25+2y-8=10y-13-3y | | Xsquared-9= | | 18a+6=168 | | 8m-24=136 | | 8m-24=-128 | | 6(u-2)-8u=6 | | 2x-11=3x+8 | | 16*a=1.428571429 | | 2/3a_ | | x/2x=10 | | x/6-5=216 | | 2(3c-6)-5(8d-3f)= | | 2x+4y=336 | | 3/2x-15=18 | | M+an=r | | 8x^4+2x^4-7x^4= | | 2/3(x-10)=12 |

Equations solver categories