-x=7(x-4)

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


Simplifying
-1x = 7(x + -4)

Reorder the terms:
-1x = 7(-4 + x)
-1x = (-4 * 7 + x * 7)
-1x = (-28 + 7x)

Solving
-1x = -28 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-1x + -7x = -28 + 7x + -7x

Combine like terms: -1x + -7x = -8x
-8x = -28 + 7x + -7x

Combine like terms: 7x + -7x = 0
-8x = -28 + 0
-8x = -28

Divide each side by '-8'.
x = 3.5

Simplifying
x = 3.5

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