2a+(3a-14)=21

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Solution for 2a+(3a-14)=21 equation:


Simplifying
2a + (3a + -14) = 21

Reorder the terms:
2a + (-14 + 3a) = 21

Remove parenthesis around (-14 + 3a)
2a + -14 + 3a = 21

Reorder the terms:
-14 + 2a + 3a = 21

Combine like terms: 2a + 3a = 5a
-14 + 5a = 21

Solving
-14 + 5a = 21

Solving for variable 'a'.

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

Add '14' to each side of the equation.
-14 + 14 + 5a = 21 + 14

Combine like terms: -14 + 14 = 0
0 + 5a = 21 + 14
5a = 21 + 14

Combine like terms: 21 + 14 = 35
5a = 35

Divide each side by '5'.
a = 7

Simplifying
a = 7

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