[2a+5]=[3a-7]

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Solution for [2a+5]=[3a-7] equation:


Simplifying
[2a + 5] = [3a + -7]

Reorder the terms:
[5 + 2a] = [3a + -7]

Remove brackets around [5 + 2a]
5 + 2a = [3a + -7]

Reorder the terms:
5 + 2a = [-7 + 3a]

Remove brackets around [-7 + 3a]
5 + 2a = -7 + 3a

Solving
5 + 2a = -7 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
5 + 2a + -3a = -7 + 3a + -3a

Combine like terms: 2a + -3a = -1a
5 + -1a = -7 + 3a + -3a

Combine like terms: 3a + -3a = 0
5 + -1a = -7 + 0
5 + -1a = -7

Add '-5' to each side of the equation.
5 + -5 + -1a = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -1a = -7 + -5
-1a = -7 + -5

Combine like terms: -7 + -5 = -12
-1a = -12

Divide each side by '-1'.
a = 12

Simplifying
a = 12

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