3x+9=-4x-54

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Solution for 3x+9=-4x-54 equation:


Simplifying
3x + 9 = -4x + -54

Reorder the terms:
9 + 3x = -4x + -54

Reorder the terms:
9 + 3x = -54 + -4x

Solving
9 + 3x = -54 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
9 + 3x + 4x = -54 + -4x + 4x

Combine like terms: 3x + 4x = 7x
9 + 7x = -54 + -4x + 4x

Combine like terms: -4x + 4x = 0
9 + 7x = -54 + 0
9 + 7x = -54

Add '-9' to each side of the equation.
9 + -9 + 7x = -54 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = -54 + -9
7x = -54 + -9

Combine like terms: -54 + -9 = -63
7x = -63

Divide each side by '7'.
x = -9

Simplifying
x = -9

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