2a+7+3a-2=30

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Solution for 2a+7+3a-2=30 equation:


Simplifying
2a + 7 + 3a + -2 = 30

Reorder the terms:
7 + -2 + 2a + 3a = 30

Combine like terms: 7 + -2 = 5
5 + 2a + 3a = 30

Combine like terms: 2a + 3a = 5a
5 + 5a = 30

Solving
5 + 5a = 30

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 5a = 30 + -5

Combine like terms: 5 + -5 = 0
0 + 5a = 30 + -5
5a = 30 + -5

Combine like terms: 30 + -5 = 25
5a = 25

Divide each side by '5'.
a = 5

Simplifying
a = 5

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