2x+84=9-7

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Solution for 2x+84=9-7 equation:


Simplifying
2x + 84 = 9 + -7

Reorder the terms:
84 + 2x = 9 + -7

Combine like terms: 9 + -7 = 2
84 + 2x = 2

Solving
84 + 2x = 2

Solving for variable 'x'.

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

Add '-84' to each side of the equation.
84 + -84 + 2x = 2 + -84

Combine like terms: 84 + -84 = 0
0 + 2x = 2 + -84
2x = 2 + -84

Combine like terms: 2 + -84 = -82
2x = -82

Divide each side by '2'.
x = -41

Simplifying
x = -41

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