-10(a+3)=-25

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Solution for -10(a+3)=-25 equation:


Simplifying
-10(a + 3) = -25

Reorder the terms:
-10(3 + a) = -25
(3 * -10 + a * -10) = -25
(-30 + -10a) = -25

Solving
-30 + -10a = -25

Solving for variable 'a'.

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

Add '30' to each side of the equation.
-30 + 30 + -10a = -25 + 30

Combine like terms: -30 + 30 = 0
0 + -10a = -25 + 30
-10a = -25 + 30

Combine like terms: -25 + 30 = 5
-10a = 5

Divide each side by '-10'.
a = -0.5

Simplifying
a = -0.5

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