6(x+9)+x=7(-3-x)

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Solution for 6(x+9)+x=7(-3-x) equation:


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

Reorder the terms:
6(9 + x) + x = 7(-3 + -1x)
(9 * 6 + x * 6) + x = 7(-3 + -1x)
(54 + 6x) + x = 7(-3 + -1x)

Combine like terms: 6x + x = 7x
54 + 7x = 7(-3 + -1x)
54 + 7x = (-3 * 7 + -1x * 7)
54 + 7x = (-21 + -7x)

Solving
54 + 7x = -21 + -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.
54 + 7x + 7x = -21 + -7x + 7x

Combine like terms: 7x + 7x = 14x
54 + 14x = -21 + -7x + 7x

Combine like terms: -7x + 7x = 0
54 + 14x = -21 + 0
54 + 14x = -21

Add '-54' to each side of the equation.
54 + -54 + 14x = -21 + -54

Combine like terms: 54 + -54 = 0
0 + 14x = -21 + -54
14x = -21 + -54

Combine like terms: -21 + -54 = -75
14x = -75

Divide each side by '14'.
x = -5.357142857

Simplifying
x = -5.357142857

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