3z+45=3(5z+3)

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


Simplifying
3z + 45 = 3(5z + 3)

Reorder the terms:
45 + 3z = 3(5z + 3)

Reorder the terms:
45 + 3z = 3(3 + 5z)
45 + 3z = (3 * 3 + 5z * 3)
45 + 3z = (9 + 15z)

Solving
45 + 3z = 9 + 15z

Solving for variable 'z'.

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

Add '-15z' to each side of the equation.
45 + 3z + -15z = 9 + 15z + -15z

Combine like terms: 3z + -15z = -12z
45 + -12z = 9 + 15z + -15z

Combine like terms: 15z + -15z = 0
45 + -12z = 9 + 0
45 + -12z = 9

Add '-45' to each side of the equation.
45 + -45 + -12z = 9 + -45

Combine like terms: 45 + -45 = 0
0 + -12z = 9 + -45
-12z = 9 + -45

Combine like terms: 9 + -45 = -36
-12z = -36

Divide each side by '-12'.
z = 3

Simplifying
z = 3

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