7b+2=3b+12

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Solution for 7b+2=3b+12 equation:


Simplifying
7b + 2 = 3b + 12

Reorder the terms:
2 + 7b = 3b + 12

Reorder the terms:
2 + 7b = 12 + 3b

Solving
2 + 7b = 12 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
2 + 7b + -3b = 12 + 3b + -3b

Combine like terms: 7b + -3b = 4b
2 + 4b = 12 + 3b + -3b

Combine like terms: 3b + -3b = 0
2 + 4b = 12 + 0
2 + 4b = 12

Add '-2' to each side of the equation.
2 + -2 + 4b = 12 + -2

Combine like terms: 2 + -2 = 0
0 + 4b = 12 + -2
4b = 12 + -2

Combine like terms: 12 + -2 = 10
4b = 10

Divide each side by '4'.
b = 2.5

Simplifying
b = 2.5

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