21a+21=28+14

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Solution for 21a+21=28+14 equation:


Simplifying
21a + 21 = 28 + 14

Reorder the terms:
21 + 21a = 28 + 14

Combine like terms: 28 + 14 = 42
21 + 21a = 42

Solving
21 + 21a = 42

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 21a = 42 + -21

Combine like terms: 21 + -21 = 0
0 + 21a = 42 + -21
21a = 42 + -21

Combine like terms: 42 + -21 = 21
21a = 21

Divide each side by '21'.
a = 1

Simplifying
a = 1

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