A+B=7(A-54)

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Solution for A+B=7(A-54) equation: 


Simplifying
A + B = 7(A + -54)

Reorder the terms:
A + B = 7(-54 + A)
A + B = (-54 * 7 + A * 7)
A + B = (-378 + 7A)

Solving
A + B = -378 + 7A

Solving for variable 'A'.

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

Add '-7A' to each side of the equation.
A + -7A + B = -378 + 7A + -7A

Combine like terms: A + -7A = -6A
-6A + B = -378 + 7A + -7A

Combine like terms: 7A + -7A = 0
-6A + B = -378 + 0
-6A + B = -378

Add '-1B' to each side of the equation.
-6A + B + -1B = -378 + -1B

Combine like terms: B + -1B = 0
-6A + 0 = -378 + -1B
-6A = -378 + -1B

Divide each side by '-6'.
A = 63 + 0.1666666667B

Simplifying
A = 63 + 0.1666666667B

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