A-(10-a)=30

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Solution for A-(10-a)=30 equation:


Simplifying
A + -1(10 + -1a) = 30
A + (10 * -1 + -1a * -1) = 30
A + (-10 + 1a) = 30

Reorder the terms:
-10 + A + 1a = 30

Solving
-10 + A + 1a = 30

Solving for variable 'A'.

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

Add '10' to each side of the equation.
-10 + A + 10 + 1a = 30 + 10

Reorder the terms:
-10 + 10 + A + 1a = 30 + 10

Combine like terms: -10 + 10 = 0
0 + A + 1a = 30 + 10
A + 1a = 30 + 10

Combine like terms: 30 + 10 = 40
A + 1a = 40

Add '-1a' to each side of the equation.
A + 1a + -1a = 40 + -1a

Combine like terms: 1a + -1a = 0
A + 0 = 40 + -1a
A = 40 + -1a

Simplifying
A = 40 + -1a

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