427=7(-3+8A)

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Solution for 427=7(-3+8A) equation:


Simplifying
427 = 7(-3 + 8A)
427 = (-3 * 7 + 8A * 7)
427 = (-21 + 56A)

Solving
427 = -21 + 56A

Solving for variable 'A'.

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

Add '-56A' to each side of the equation.
427 + -56A = -21 + 56A + -56A

Combine like terms: 56A + -56A = 0
427 + -56A = -21 + 0
427 + -56A = -21

Add '-427' to each side of the equation.
427 + -427 + -56A = -21 + -427

Combine like terms: 427 + -427 = 0
0 + -56A = -21 + -427
-56A = -21 + -427

Combine like terms: -21 + -427 = -448
-56A = -448

Divide each side by '-56'.
A = 8

Simplifying
A = 8

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