130=143-0.65a

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Solution for 130=143-0.65a equation:


Simplifying
130 = 143 + -0.65a

Solving
130 = 143 + -0.65a

Solving for variable 'a'.

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

Add '0.65a' to each side of the equation.
130 + 0.65a = 143 + -0.65a + 0.65a

Combine like terms: -0.65a + 0.65a = 0.00
130 + 0.65a = 143 + 0.00
130 + 0.65a = 143

Add '-130' to each side of the equation.
130 + -130 + 0.65a = 143 + -130

Combine like terms: 130 + -130 = 0
0 + 0.65a = 143 + -130
0.65a = 143 + -130

Combine like terms: 143 + -130 = 13
0.65a = 13

Divide each side by '0.65'.
a = 20

Simplifying
a = 20

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