9=7x-2(x-4)

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


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

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

Reorder the terms:
9 = 8 + 7x + -2x

Combine like terms: 7x + -2x = 5x
9 = 8 + 5x

Solving
9 = 8 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
9 + -5x = 8 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + -5x = 8 + 0
9 + -5x = 8

Add '-9' to each side of the equation.
9 + -9 + -5x = 8 + -9

Combine like terms: 9 + -9 = 0
0 + -5x = 8 + -9
-5x = 8 + -9

Combine like terms: 8 + -9 = -1
-5x = -1

Divide each side by '-5'.
x = 0.2

Simplifying
x = 0.2

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