45=3(a+5)

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Solution for 45=3(a+5) equation:


Simplifying
45 = 3(a + 5)

Reorder the terms:
45 = 3(5 + a)
45 = (5 * 3 + a * 3)
45 = (15 + 3a)

Solving
45 = 15 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
45 + -3a = 15 + 3a + -3a

Combine like terms: 3a + -3a = 0
45 + -3a = 15 + 0
45 + -3a = 15

Add '-45' to each side of the equation.
45 + -45 + -3a = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -3a = 15 + -45
-3a = 15 + -45

Combine like terms: 15 + -45 = -30
-3a = -30

Divide each side by '-3'.
a = 10

Simplifying
a = 10

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