15-4(3+32)=a

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Solution for 15-4(3+32)=a equation:


Simplifying
15 + -4(3 + 32) = a

Combine like terms: 3 + 32 = 35
15 + -4(35) = a

Multiply -4 * 35
15 + -140 = a

Combine like terms: 15 + -140 = -125
-125 = a

Solving
-125 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-125 + -1a = a + -1a

Combine like terms: a + -1a = 0
-125 + -1a = 0

Add '125' to each side of the equation.
-125 + 125 + -1a = 0 + 125

Combine like terms: -125 + 125 = 0
0 + -1a = 0 + 125
-1a = 0 + 125

Combine like terms: 0 + 125 = 125
-1a = 125

Divide each side by '-1'.
a = -125

Simplifying
a = -125

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