1.30+.12a=1.80+.10a

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Solution for 1.30+.12a=1.80+.10a equation:


Simplifying
1.30 + 0.12a = 1.80 + 0.10a

Solving
1.30 + 0.12a = 1.80 + 0.10a

Solving for variable 'a'.

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

Add '-0.10a' to each side of the equation.
1.30 + 0.12a + -0.10a = 1.80 + 0.10a + -0.10a

Combine like terms: 0.12a + -0.10a = 0.02a
1.30 + 0.02a = 1.80 + 0.10a + -0.10a

Combine like terms: 0.10a + -0.10a = 0.00
1.30 + 0.02a = 1.80 + 0.00
1.30 + 0.02a = 1.80

Add '-1.30' to each side of the equation.
1.30 + -1.30 + 0.02a = 1.80 + -1.30

Combine like terms: 1.30 + -1.30 = 0.00
0.00 + 0.02a = 1.80 + -1.30
0.02a = 1.80 + -1.30

Combine like terms: 1.80 + -1.30 = 0.5
0.02a = 0.5

Divide each side by '0.02'.
a = 25

Simplifying
a = 25

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