5x+40+7x=84

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Solution for 5x+40+7x=84 equation:


Simplifying
5x + 40 + 7x = 84

Reorder the terms:
40 + 5x + 7x = 84

Combine like terms: 5x + 7x = 12x
40 + 12x = 84

Solving
40 + 12x = 84

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 12x = 84 + -40

Combine like terms: 40 + -40 = 0
0 + 12x = 84 + -40
12x = 84 + -40

Combine like terms: 84 + -40 = 44
12x = 44

Divide each side by '12'.
x = 3.666666667

Simplifying
x = 3.666666667

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