7+2[a+1]-3a=5a

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Solution for 7+2[a+1]-3a=5a equation:


Simplifying
7 + 2[a + 1] + -3a = 5a

Reorder the terms:
7 + 2[1 + a] + -3a = 5a
7 + [1 * 2 + a * 2] + -3a = 5a
7 + [2 + 2a] + -3a = 5a

Combine like terms: 7 + 2 = 9
9 + 2a + -3a = 5a

Combine like terms: 2a + -3a = -1a
9 + -1a = 5a

Solving
9 + -1a = 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
9 + -1a + -5a = 5a + -5a

Combine like terms: -1a + -5a = -6a
9 + -6a = 5a + -5a

Combine like terms: 5a + -5a = 0
9 + -6a = 0

Add '-9' to each side of the equation.
9 + -9 + -6a = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -6a = 0 + -9
-6a = 0 + -9

Combine like terms: 0 + -9 = -9
-6a = -9

Divide each side by '-6'.
a = 1.5

Simplifying
a = 1.5

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