13x-2(4x-7)=9

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Solution for 13x-2(4x-7)=9 equation:


Simplifying
13x + -2(4x + -7) = 9

Reorder the terms:
13x + -2(-7 + 4x) = 9
13x + (-7 * -2 + 4x * -2) = 9
13x + (14 + -8x) = 9

Reorder the terms:
14 + 13x + -8x = 9

Combine like terms: 13x + -8x = 5x
14 + 5x = 9

Solving
14 + 5x = 9

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + 5x = 9 + -14

Combine like terms: 14 + -14 = 0
0 + 5x = 9 + -14
5x = 9 + -14

Combine like terms: 9 + -14 = -5
5x = -5

Divide each side by '5'.
x = -1

Simplifying
x = -1

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