48+78-4=2a

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Solution for 48+78-4=2a equation:


Simplifying
48 + 78 + -4 = 2a

Combine like terms: 48 + 78 = 126
126 + -4 = 2a

Combine like terms: 126 + -4 = 122
122 = 2a

Solving
122 = 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
122 + -2a = 2a + -2a

Combine like terms: 2a + -2a = 0
122 + -2a = 0

Add '-122' to each side of the equation.
122 + -122 + -2a = 0 + -122

Combine like terms: 122 + -122 = 0
0 + -2a = 0 + -122
-2a = 0 + -122

Combine like terms: 0 + -122 = -122
-2a = -122

Divide each side by '-2'.
a = 61

Simplifying
a = 61

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