(9x+2)-(2x+7)=

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Solution for (9x+2)-(2x+7)= equation:


Simplifying
(9x + 2) + -1(2x + 7) = 0

Reorder the terms:
(2 + 9x) + -1(2x + 7) = 0

Remove parenthesis around (2 + 9x)
2 + 9x + -1(2x + 7) = 0

Reorder the terms:
2 + 9x + -1(7 + 2x) = 0
2 + 9x + (7 * -1 + 2x * -1) = 0
2 + 9x + (-7 + -2x) = 0

Reorder the terms:
2 + -7 + 9x + -2x = 0

Combine like terms: 2 + -7 = -5
-5 + 9x + -2x = 0

Combine like terms: 9x + -2x = 7x
-5 + 7x = 0

Solving
-5 + 7x = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 7x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 7x = 0 + 5
7x = 0 + 5

Combine like terms: 0 + 5 = 5
7x = 5

Divide each side by '7'.
x = 0.7142857143

Simplifying
x = 0.7142857143

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