105=-7x

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Solution for 105=-7x equation:


Simplifying
105 = -7x

Solving
105 = -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.
105 + 7x = -7x + 7x

Combine like terms: -7x + 7x = 0
105 + 7x = 0

Add '-105' to each side of the equation.
105 + -105 + 7x = 0 + -105

Combine like terms: 105 + -105 = 0
0 + 7x = 0 + -105
7x = 0 + -105

Combine like terms: 0 + -105 = -105
7x = -105

Divide each side by '7'.
x = -15

Simplifying
x = -15

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