(15b-3)-7(2b+4)=-4

Simple and best practice solution for (15b-3)-7(2b+4)=-4 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 (15b-3)-7(2b+4)=-4 equation:


Simplifying
(15b + -3) + -7(2b + 4) = -4

Reorder the terms:
(-3 + 15b) + -7(2b + 4) = -4

Remove parenthesis around (-3 + 15b)
-3 + 15b + -7(2b + 4) = -4

Reorder the terms:
-3 + 15b + -7(4 + 2b) = -4
-3 + 15b + (4 * -7 + 2b * -7) = -4
-3 + 15b + (-28 + -14b) = -4

Reorder the terms:
-3 + -28 + 15b + -14b = -4

Combine like terms: -3 + -28 = -31
-31 + 15b + -14b = -4

Combine like terms: 15b + -14b = 1b
-31 + 1b = -4

Solving
-31 + 1b = -4

Solving for variable 'b'.

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

Add '31' to each side of the equation.
-31 + 31 + 1b = -4 + 31

Combine like terms: -31 + 31 = 0
0 + 1b = -4 + 31
1b = -4 + 31

Combine like terms: -4 + 31 = 27
1b = 27

Divide each side by '1'.
b = 27

Simplifying
b = 27

See similar equations:

| 0=z^2+5z+(10+2i) | | 0=z | | 3xy^4/x^3 | | 3[3x]+2[5]=60x-500 | | 9y+5=6y+11 | | 0=4cos(2x) | | (2x-3)(x-1)=15 | | 5n^2-10n=75 | | 1h+2s=44 | | 2h+2s=60 | | -10x-8+x-7= | | 25x^2-50=250 | | 2h+2h=60 | | (37b-2)-9(4b+1)=-3 | | 2=6x+16 | | 5y+6=3y-1 | | 3[k+2]=-3k | | X^2+2.5X-3.5=0 | | 2[k-6]=8k | | -8m+8+m+10= | | 5[k+6]=3k | | 9e^2x=81 | | 2[k+5]=3k | | -0.857142857x-0.5y=0.428571429 | | 9d+d-2d+9=5d | | 5c-3+20-16=1 | | -6x+14x^2=0 | | 6d+d-6d-8=2d | | X+0.5X=252 | | 5c-3b+20-16=1 | | 5d+2d-5d+8=6 | | 4+x=3+14 |

Equations solver categories