A=3a-5(a+7)

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Solution for A=3a-5(a+7) equation: 


Simplifying
A = 3a + -5(a + 7)

Reorder the terms:
A = 3a + -5(7 + a)
A = 3a + (7 * -5 + a * -5)
A = 3a + (-35 + -5a)

Reorder the terms:
A = -35 + 3a + -5a

Combine like terms: 3a + -5a = -2a
A = -35 + -2a

Solving
A = -35 + -2a

Solving for variable 'A'.

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

Simplifying
A = -35 + -2a

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