(17b-7)-8(2b+1)=-4

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Solution for (17b-7)-8(2b+1)=-4 equation:


Simplifying
(17b + -7) + -8(2b + 1) = -4

Reorder the terms:
(-7 + 17b) + -8(2b + 1) = -4

Remove parenthesis around (-7 + 17b)
-7 + 17b + -8(2b + 1) = -4

Reorder the terms:
-7 + 17b + -8(1 + 2b) = -4
-7 + 17b + (1 * -8 + 2b * -8) = -4
-7 + 17b + (-8 + -16b) = -4

Reorder the terms:
-7 + -8 + 17b + -16b = -4

Combine like terms: -7 + -8 = -15
-15 + 17b + -16b = -4

Combine like terms: 17b + -16b = 1b
-15 + 1b = -4

Solving
-15 + 1b = -4

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 = -4 + 15

Combine like terms: -15 + 15 = 0
0 + 1b = -4 + 15
1b = -4 + 15

Combine like terms: -4 + 15 = 11
1b = 11

Divide each side by '1'.
b = 11

Simplifying
b = 11

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