5+16=-x-6x

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Solution for 5+16=-x-6x equation:


Simplifying
5 + 16 = -1x + -6x

Combine like terms: 5 + 16 = 21
21 = -1x + -6x

Combine like terms: -1x + -6x = -7x
21 = -7x

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

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

Add '-21' to each side of the equation.
21 + -21 + 7x = 0 + -21

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

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

Divide each side by '7'.
x = -3

Simplifying
x = -3

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