2(x-1)+7=9

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Solution for 2(x-1)+7=9 equation:


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

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

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

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

Solving
5 + 2x = 9

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 + 2x = 9 + -5

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

Combine like terms: 9 + -5 = 4
2x = 4

Divide each side by '2'.
x = 2

Simplifying
x = 2

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