3a+5=2a+8.5

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Solution for 3a+5=2a+8.5 equation:


Simplifying
3a + 5 = 2a + 8.5

Reorder the terms:
5 + 3a = 2a + 8.5

Reorder the terms:
5 + 3a = 8.5 + 2a

Solving
5 + 3a = 8.5 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
5 + 3a + -2a = 8.5 + 2a + -2a

Combine like terms: 3a + -2a = 1a
5 + 1a = 8.5 + 2a + -2a

Combine like terms: 2a + -2a = 0
5 + 1a = 8.5 + 0
5 + 1a = 8.5

Add '-5' to each side of the equation.
5 + -5 + 1a = 8.5 + -5

Combine like terms: 5 + -5 = 0
0 + 1a = 8.5 + -5
1a = 8.5 + -5

Combine like terms: 8.5 + -5 = 3.5
1a = 3.5

Divide each side by '1'.
a = 3.5

Simplifying
a = 3.5

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