(28b-4)-9(3b+4)=-2

Simple and best practice solution for (28b-4)-9(3b+4)=-2 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-4)-9(3b+4)=-2 equation:


Simplifying
(28b + -4) + -9(3b + 4) = -2

Reorder the terms:
(-4 + 28b) + -9(3b + 4) = -2

Remove parenthesis around (-4 + 28b)
-4 + 28b + -9(3b + 4) = -2

Reorder the terms:
-4 + 28b + -9(4 + 3b) = -2
-4 + 28b + (4 * -9 + 3b * -9) = -2
-4 + 28b + (-36 + -27b) = -2

Reorder the terms:
-4 + -36 + 28b + -27b = -2

Combine like terms: -4 + -36 = -40
-40 + 28b + -27b = -2

Combine like terms: 28b + -27b = 1b
-40 + 1b = -2

Solving
-40 + 1b = -2

Solving for variable 'b'.

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

Add '40' to each side of the equation.
-40 + 40 + 1b = -2 + 40

Combine like terms: -40 + 40 = 0
0 + 1b = -2 + 40
1b = -2 + 40

Combine like terms: -2 + 40 = 38
1b = 38

Divide each side by '1'.
b = 38

Simplifying
b = 38

See similar equations:

| 11x+9=130 | | 11x+9= | | 7x+4+5x+8=11x+4 | | x^2+17x+60=120 | | 5x+24=64 | | y^2-5y-84=0 | | 225-7-5r(3r+4)=3(7-4r) | | 6(5z-1)-5(z+8)=8(z+1) | | x^2+5x+6=30 | | 6y-3=21 | | 3+6(3x-4)=8-7(9x-3) | | 42x^5y-7x^4y^2= | | 2x^2-3x=54 | | 8+(-3)(-4)=(-2)+(16)(-5) | | 8+(-3)(-4)= | | -5t^2+20t+2=0 | | 20x^2y^2-4xy^3= | | 6y+7= | | -2(2n+3)=12 | | 3p-13= | | Y^2+10xy+25x^2= | | 40-5n=(-2) | | 89(m-5)=2(3m-8) | | 2x^2-8x-65=0 | | -10=x^3-100x | | 3(3x-2)-4(x-1)=14+x | | y^3+3y^2+12y+36=0 | | x(x-3)=9 | | 20x+30y=120 | | X^2+12x+48= | | -11+11b=-13 | | -2x+9=1 |

Equations solver categories