1.50+1.50a=21.00

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Solution for 1.50+1.50a=21.00 equation: 


Simplifying
1.50 + 1.50a = 21.00

Solving
1.50 + 1.50a = 21.00

Solving for variable 'a'.

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

Add '-1.50' to each side of the equation.
1.50 + -1.50 + 1.50a = 21.00 + -1.50

Combine like terms: 1.50 + -1.50 = 0.00
0.00 + 1.50a = 21.00 + -1.50
1.50a = 21.00 + -1.50

Combine like terms: 21.00 + -1.50 = 19.5
1.50a = 19.5

Divide each side by '1.50'.
a = 13

Simplifying
a = 13

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