3b+7=1.2b-2

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Solution for 3b+7=1.2b-2 equation:


Simplifying
3b + 7 = 1.2b + -2

Reorder the terms:
7 + 3b = 1.2b + -2

Reorder the terms:
7 + 3b = -2 + 1.2b

Solving
7 + 3b = -2 + 1.2b

Solving for variable 'b'.

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

Add '-1.2b' to each side of the equation.
7 + 3b + -1.2b = -2 + 1.2b + -1.2b

Combine like terms: 3b + -1.2b = 1.8b
7 + 1.8b = -2 + 1.2b + -1.2b

Combine like terms: 1.2b + -1.2b = 0.0
7 + 1.8b = -2 + 0.0
7 + 1.8b = -2

Add '-7' to each side of the equation.
7 + -7 + 1.8b = -2 + -7

Combine like terms: 7 + -7 = 0
0 + 1.8b = -2 + -7
1.8b = -2 + -7

Combine like terms: -2 + -7 = -9
1.8b = -9

Divide each side by '1.8'.
b = -5

Simplifying
b = -5

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