7x-4=9(3x+4)

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Solution for 7x-4=9(3x+4) equation:


Simplifying
7x + -4 = 9(3x + 4)

Reorder the terms:
-4 + 7x = 9(3x + 4)

Reorder the terms:
-4 + 7x = 9(4 + 3x)
-4 + 7x = (4 * 9 + 3x * 9)
-4 + 7x = (36 + 27x)

Solving
-4 + 7x = 36 + 27x

Solving for variable 'x'.

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

Add '-27x' to each side of the equation.
-4 + 7x + -27x = 36 + 27x + -27x

Combine like terms: 7x + -27x = -20x
-4 + -20x = 36 + 27x + -27x

Combine like terms: 27x + -27x = 0
-4 + -20x = 36 + 0
-4 + -20x = 36

Add '4' to each side of the equation.
-4 + 4 + -20x = 36 + 4

Combine like terms: -4 + 4 = 0
0 + -20x = 36 + 4
-20x = 36 + 4

Combine like terms: 36 + 4 = 40
-20x = 40

Divide each side by '-20'.
x = -2

Simplifying
x = -2

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