(2x-7)+(7x+10)=84

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Solution for (2x-7)+(7x+10)=84 equation:


Simplifying
(2x + -7) + (7x + 10) = 84

Reorder the terms:
(-7 + 2x) + (7x + 10) = 84

Remove parenthesis around (-7 + 2x)
-7 + 2x + (7x + 10) = 84

Reorder the terms:
-7 + 2x + (10 + 7x) = 84

Remove parenthesis around (10 + 7x)
-7 + 2x + 10 + 7x = 84

Reorder the terms:
-7 + 10 + 2x + 7x = 84

Combine like terms: -7 + 10 = 3
3 + 2x + 7x = 84

Combine like terms: 2x + 7x = 9x
3 + 9x = 84

Solving
3 + 9x = 84

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 9x = 84 + -3

Combine like terms: 3 + -3 = 0
0 + 9x = 84 + -3
9x = 84 + -3

Combine like terms: 84 + -3 = 81
9x = 81

Divide each side by '9'.
x = 9

Simplifying
x = 9

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