3(7b-3)+8=-85

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Solution for 3(7b-3)+8=-85 equation:


Simplifying
3(7b + -3) + 8 = -85

Reorder the terms:
3(-3 + 7b) + 8 = -85
(-3 * 3 + 7b * 3) + 8 = -85
(-9 + 21b) + 8 = -85

Reorder the terms:
-9 + 8 + 21b = -85

Combine like terms: -9 + 8 = -1
-1 + 21b = -85

Solving
-1 + 21b = -85

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 1 + 21b = -85 + 1

Combine like terms: -1 + 1 = 0
0 + 21b = -85 + 1
21b = -85 + 1

Combine like terms: -85 + 1 = -84
21b = -84

Divide each side by '21'.
b = -4

Simplifying
b = -4

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