3(5x+4)=78

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Solution for 3(5x+4)=78 equation: 


Simplifying
3(5x + 4) = 78

Reorder the terms:
3(4 + 5x) = 78
(4 * 3 + 5x * 3) = 78
(12 + 15x) = 78

Solving
12 + 15x = 78

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 = 78 + -12

Combine like terms: 12 + -12 = 0
0 + 15x = 78 + -12
15x = 78 + -12

Combine like terms: 78 + -12 = 66
15x = 66

Divide each side by '15'.
x = 4.4

Simplifying
x = 4.4

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