74-x=-78-9x

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Solution for 74-x=-78-9x equation:


Simplifying
74 + -1x = -78 + -9x

Solving
74 + -1x = -78 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
74 + -1x + 9x = -78 + -9x + 9x

Combine like terms: -1x + 9x = 8x
74 + 8x = -78 + -9x + 9x

Combine like terms: -9x + 9x = 0
74 + 8x = -78 + 0
74 + 8x = -78

Add '-74' to each side of the equation.
74 + -74 + 8x = -78 + -74

Combine like terms: 74 + -74 = 0
0 + 8x = -78 + -74
8x = -78 + -74

Combine like terms: -78 + -74 = -152
8x = -152

Divide each side by '8'.
x = -19

Simplifying
x = -19

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