-x-9+7x=-3(5x+1)

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Solution for -x-9+7x=-3(5x+1) equation:


Simplifying
-1x + -9 + 7x = -3(5x + 1)

Reorder the terms:
-9 + -1x + 7x = -3(5x + 1)

Combine like terms: -1x + 7x = 6x
-9 + 6x = -3(5x + 1)

Reorder the terms:
-9 + 6x = -3(1 + 5x)
-9 + 6x = (1 * -3 + 5x * -3)
-9 + 6x = (-3 + -15x)

Solving
-9 + 6x = -3 + -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
-9 + 6x + 15x = -3 + -15x + 15x

Combine like terms: 6x + 15x = 21x
-9 + 21x = -3 + -15x + 15x

Combine like terms: -15x + 15x = 0
-9 + 21x = -3 + 0
-9 + 21x = -3

Add '9' to each side of the equation.
-9 + 9 + 21x = -3 + 9

Combine like terms: -9 + 9 = 0
0 + 21x = -3 + 9
21x = -3 + 9

Combine like terms: -3 + 9 = 6
21x = 6

Divide each side by '21'.
x = 0.2857142857

Simplifying
x = 0.2857142857

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