3+2b-7=10

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Solution for 3+2b-7=10 equation: 


Simplifying
3 + 2b + -7 = 10

Reorder the terms:
3 + -7 + 2b = 10

Combine like terms: 3 + -7 = -4
-4 + 2b = 10

Solving
-4 + 2b = 10

Solving for variable 'b'.

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

Add '4' to each side of the equation.
-4 + 4 + 2b = 10 + 4

Combine like terms: -4 + 4 = 0
0 + 2b = 10 + 4
2b = 10 + 4

Combine like terms: 10 + 4 = 14
2b = 14

Divide each side by '2'.
b = 7

Simplifying
b = 7

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