87=a+48

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Solution for 87=a+48 equation:


Simplifying
87 = a + 48

Reorder the terms:
87 = 48 + a

Solving
87 = 48 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
87 + -1a = 48 + a + -1a

Combine like terms: a + -1a = 0
87 + -1a = 48 + 0
87 + -1a = 48

Add '-87' to each side of the equation.
87 + -87 + -1a = 48 + -87

Combine like terms: 87 + -87 = 0
0 + -1a = 48 + -87
-1a = 48 + -87

Combine like terms: 48 + -87 = -39
-1a = -39

Divide each side by '-1'.
a = 39

Simplifying
a = 39

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