A+5(a-1)=7

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Solution for A+5(a-1)=7 equation:


Simplifying
A + 5(a + -1) = 7

Reorder the terms:
A + 5(-1 + a) = 7
A + (-1 * 5 + a * 5) = 7
A + (-5 + 5a) = 7

Reorder the terms:
-5 + A + 5a = 7

Solving
-5 + A + 5a = 7

Solving for variable 'A'.

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

Add '5' to each side of the equation.
-5 + A + 5 + 5a = 7 + 5

Reorder the terms:
-5 + 5 + A + 5a = 7 + 5

Combine like terms: -5 + 5 = 0
0 + A + 5a = 7 + 5
A + 5a = 7 + 5

Combine like terms: 7 + 5 = 12
A + 5a = 12

Add '-5a' to each side of the equation.
A + 5a + -5a = 12 + -5a

Combine like terms: 5a + -5a = 0
A + 0 = 12 + -5a
A = 12 + -5a

Simplifying
A = 12 + -5a

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