3(5x+4)=42

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Solution for 3(5x+4)=42 equation:


Simplifying
3(5x + 4) = 42

Reorder the terms:
3(4 + 5x) = 42
(4 * 3 + 5x * 3) = 42
(12 + 15x) = 42

Solving
12 + 15x = 42

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 15x = 42 + -12

Combine like terms: 12 + -12 = 0
0 + 15x = 42 + -12
15x = 42 + -12

Combine like terms: 42 + -12 = 30
15x = 30

Divide each side by '15'.
x = 2

Simplifying
x = 2

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