43+a-20=-25

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Solution for 43+a-20=-25 equation: 


Simplifying
43 + a + -20 = -25

Reorder the terms:
43 + -20 + a = -25

Combine like terms: 43 + -20 = 23
23 + a = -25

Solving
23 + a = -25

Solving for variable 'a'.

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

Add '-23' to each side of the equation.
23 + -23 + a = -25 + -23

Combine like terms: 23 + -23 = 0
0 + a = -25 + -23
a = -25 + -23

Combine like terms: -25 + -23 = -48
a = -48

Simplifying
a = -48

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