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

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Solution for (15b-3)-7(2b+4)=-2 equation:


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

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

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

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

Reorder the terms:
-3 + -28 + 15b + -14b = -2

Combine like terms: -3 + -28 = -31
-31 + 15b + -14b = -2

Combine like terms: 15b + -14b = 1b
-31 + 1b = -2

Solving
-31 + 1b = -2

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 = -2 + 31

Combine like terms: -31 + 31 = 0
0 + 1b = -2 + 31
1b = -2 + 31

Combine like terms: -2 + 31 = 29
1b = 29

Divide each side by '1'.
b = 29

Simplifying
b = 29

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