7.8=b-4.5

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Solution for 7.8=b-4.5 equation:


Simplifying
7.8 = b + -4.5

Reorder the terms:
7.8 = -4.5 + b

Solving
7.8 = -4.5 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
7.8 + -1b = -4.5 + b + -1b

Combine like terms: b + -1b = 0
7.8 + -1b = -4.5 + 0
7.8 + -1b = -4.5

Add '-7.8' to each side of the equation.
7.8 + -7.8 + -1b = -4.5 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + -1b = -4.5 + -7.8
-1b = -4.5 + -7.8

Combine like terms: -4.5 + -7.8 = -12.3
-1b = -12.3

Divide each side by '-1'.
b = 12.3

Simplifying
b = 12.3

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