5b+10=2b+31

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Solution for 5b+10=2b+31 equation:


Simplifying
5b + 10 = 2b + 31

Reorder the terms:
10 + 5b = 2b + 31

Reorder the terms:
10 + 5b = 31 + 2b

Solving
10 + 5b = 31 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
10 + 5b + -2b = 31 + 2b + -2b

Combine like terms: 5b + -2b = 3b
10 + 3b = 31 + 2b + -2b

Combine like terms: 2b + -2b = 0
10 + 3b = 31 + 0
10 + 3b = 31

Add '-10' to each side of the equation.
10 + -10 + 3b = 31 + -10

Combine like terms: 10 + -10 = 0
0 + 3b = 31 + -10
3b = 31 + -10

Combine like terms: 31 + -10 = 21
3b = 21

Divide each side by '3'.
b = 7

Simplifying
b = 7

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