(15b-5)-7(2b+4)=-2

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Solution for (15b-5)-7(2b+4)=-2 equation:


Simplifying
(15b + -5) + -7(2b + 4) = -2

Reorder the terms:
(-5 + 15b) + -7(2b + 4) = -2

Remove parenthesis around (-5 + 15b)
-5 + 15b + -7(2b + 4) = -2

Reorder the terms:
-5 + 15b + -7(4 + 2b) = -2
-5 + 15b + (4 * -7 + 2b * -7) = -2
-5 + 15b + (-28 + -14b) = -2

Reorder the terms:
-5 + -28 + 15b + -14b = -2

Combine like terms: -5 + -28 = -33
-33 + 15b + -14b = -2

Combine like terms: 15b + -14b = 1b
-33 + 1b = -2

Solving
-33 + 1b = -2

Solving for variable 'b'.

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

Add '33' to each side of the equation.
-33 + 33 + 1b = -2 + 33

Combine like terms: -33 + 33 = 0
0 + 1b = -2 + 33
1b = -2 + 33

Combine like terms: -2 + 33 = 31
1b = 31

Divide each side by '1'.
b = 31

Simplifying
b = 31

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