a+70=20

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Solution for a+70=20 equation: 


Simplifying
a + 70 = 20

Reorder the terms:
70 + a = 20

Solving
70 + a = 20

Solving for variable 'a'.

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

Add '-70' to each side of the equation.
70 + -70 + a = 20 + -70

Combine like terms: 70 + -70 = 0
0 + a = 20 + -70
a = 20 + -70

Combine like terms: 20 + -70 = -50
a = -50

Simplifying
a = -50

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