7x=5(3x)+66

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Solution for 7x=5(3x)+66 equation:


Simplifying
7x = 5(3x) + 66

Remove parenthesis around (3x)
7x = 5 * 3x + 66

Multiply 5 * 3
7x = 15x + 66

Reorder the terms:
7x = 66 + 15x

Solving
7x = 66 + 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.
7x + -15x = 66 + 15x + -15x

Combine like terms: 7x + -15x = -8x
-8x = 66 + 15x + -15x

Combine like terms: 15x + -15x = 0
-8x = 66 + 0
-8x = 66

Divide each side by '-8'.
x = -8.25

Simplifying
x = -8.25

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