0.25(13+a)=1.5

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Solution for 0.25(13+a)=1.5 equation: 


Simplifying
0.25(13 + a) = 1.5
(13 * 0.25 + a * 0.25) = 1.5
(3.25 + 0.25a) = 1.5

Solving
3.25 + 0.25a = 1.5

Solving for variable 'a'.

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

Add '-3.25' to each side of the equation.
3.25 + -3.25 + 0.25a = 1.5 + -3.25

Combine like terms: 3.25 + -3.25 = 0.00
0.00 + 0.25a = 1.5 + -3.25
0.25a = 1.5 + -3.25

Combine like terms: 1.5 + -3.25 = -1.75
0.25a = -1.75

Divide each side by '0.25'.
a = -7

Simplifying
a = -7

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