3+-9=4(x+3)

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Solution for 3+-9=4(x+3) equation:


Simplifying
3 + -9 = 4(x + 3)

Combine like terms: 3 + -9 = -6
-6 = 4(x + 3)

Reorder the terms:
-6 = 4(3 + x)
-6 = (3 * 4 + x * 4)
-6 = (12 + 4x)

Solving
-6 = 12 + 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.
-6 + -4x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
-6 + -4x = 12 + 0
-6 + -4x = 12

Add '6' to each side of the equation.
-6 + 6 + -4x = 12 + 6

Combine like terms: -6 + 6 = 0
0 + -4x = 12 + 6
-4x = 12 + 6

Combine like terms: 12 + 6 = 18
-4x = 18

Divide each side by '-4'.
x = -4.5

Simplifying
x = -4.5

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