A+40=30

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Solution for A+40=30 equation: 


Simplifying
A + 40 = 30

Reorder the terms:
40 + A = 30

Solving
40 + A = 30

Solving for variable 'A'.

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

Add '-40' to each side of the equation.
40 + -40 + A = 30 + -40

Combine like terms: 40 + -40 = 0
0 + A = 30 + -40
A = 30 + -40

Combine like terms: 30 + -40 = -10
A = -10

Simplifying
A = -10

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