(25b-7)-8(3b+1)=-3

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Solution for (25b-7)-8(3b+1)=-3 equation:


Simplifying
(25b + -7) + -8(3b + 1) = -3

Reorder the terms:
(-7 + 25b) + -8(3b + 1) = -3

Remove parenthesis around (-7 + 25b)
-7 + 25b + -8(3b + 1) = -3

Reorder the terms:
-7 + 25b + -8(1 + 3b) = -3
-7 + 25b + (1 * -8 + 3b * -8) = -3
-7 + 25b + (-8 + -24b) = -3

Reorder the terms:
-7 + -8 + 25b + -24b = -3

Combine like terms: -7 + -8 = -15
-15 + 25b + -24b = -3

Combine like terms: 25b + -24b = 1b
-15 + 1b = -3

Solving
-15 + 1b = -3

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 1b = -3 + 15

Combine like terms: -15 + 15 = 0
0 + 1b = -3 + 15
1b = -3 + 15

Combine like terms: -3 + 15 = 12
1b = 12

Divide each side by '1'.
b = 12

Simplifying
b = 12

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