125=5(3a+4)

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Solution for 125=5(3a+4) equation:


Simplifying
125 = 5(3a + 4)

Reorder the terms:
125 = 5(4 + 3a)
125 = (4 * 5 + 3a * 5)
125 = (20 + 15a)

Solving
125 = 20 + 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
125 + -15a = 20 + 15a + -15a

Combine like terms: 15a + -15a = 0
125 + -15a = 20 + 0
125 + -15a = 20

Add '-125' to each side of the equation.
125 + -125 + -15a = 20 + -125

Combine like terms: 125 + -125 = 0
0 + -15a = 20 + -125
-15a = 20 + -125

Combine like terms: 20 + -125 = -105
-15a = -105

Divide each side by '-15'.
a = 7

Simplifying
a = 7

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