21a+21=28a+14

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


Simplifying
21a + 21 = 28a + 14

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

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

Solving
21 + 21a = 14 + 28a

Solving for variable 'a'.

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

Add '-28a' to each side of the equation.
21 + 21a + -28a = 14 + 28a + -28a

Combine like terms: 21a + -28a = -7a
21 + -7a = 14 + 28a + -28a

Combine like terms: 28a + -28a = 0
21 + -7a = 14 + 0
21 + -7a = 14

Add '-21' to each side of the equation.
21 + -21 + -7a = 14 + -21

Combine like terms: 21 + -21 = 0
0 + -7a = 14 + -21
-7a = 14 + -21

Combine like terms: 14 + -21 = -7
-7a = -7

Divide each side by '-7'.
a = 1

Simplifying
a = 1

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