45+3y=3(5x+y)

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Solution for 45+3y=3(5x+y) equation:


Simplifying
45 + 3y = 3(5x + y)
45 + 3y = (5x * 3 + y * 3)
45 + 3y = (15x + 3y)

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

Combine like terms: 3y + -3y = 0
45 + 0 = 15x + 3y + -3y
45 = 15x + 3y + -3y

Combine like terms: 3y + -3y = 0
45 = 15x + 0
45 = 15x

Solving
45 = 15x

Solving for variable 'x'.

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

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

Combine like terms: 15x + -15x = 0
45 + -15x = 0

Add '-45' to each side of the equation.
45 + -45 + -15x = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -15x = 0 + -45
-15x = 0 + -45

Combine like terms: 0 + -45 = -45
-15x = -45

Divide each side by '-15'.
x = 3

Simplifying
x = 3

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