2b+b+3c+2b+15=90+3c

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Solution for 2b+b+3c+2b+15=90+3c equation:


Simplifying
2b + b + 3c + 2b + 15 = 90 + 3c

Reorder the terms:
15 + 2b + b + 2b + 3c = 90 + 3c

Combine like terms: 2b + b = 3b
15 + 3b + 2b + 3c = 90 + 3c

Combine like terms: 3b + 2b = 5b
15 + 5b + 3c = 90 + 3c

Add '-3c' to each side of the equation.
15 + 5b + 3c + -3c = 90 + 3c + -3c

Combine like terms: 3c + -3c = 0
15 + 5b + 0 = 90 + 3c + -3c
15 + 5b = 90 + 3c + -3c

Combine like terms: 3c + -3c = 0
15 + 5b = 90 + 0
15 + 5b = 90

Solving
15 + 5b = 90

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 + 5b = 90 + -15

Combine like terms: 15 + -15 = 0
0 + 5b = 90 + -15
5b = 90 + -15

Combine like terms: 90 + -15 = 75
5b = 75

Divide each side by '5'.
b = 15

Simplifying
b = 15

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