9[3+x]=4[3+x]

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Solution for 9[3+x]=4[3+x] equation:


Simplifying
9[3 + x] = 4[3 + x]
[3 * 9 + x * 9] = 4[3 + x]
[27 + 9x] = 4[3 + x]
27 + 9x = [3 * 4 + x * 4]
27 + 9x = [12 + 4x]

Solving
27 + 9x = 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.
27 + 9x + -4x = 12 + 4x + -4x

Combine like terms: 9x + -4x = 5x
27 + 5x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
27 + 5x = 12 + 0
27 + 5x = 12

Add '-27' to each side of the equation.
27 + -27 + 5x = 12 + -27

Combine like terms: 27 + -27 = 0
0 + 5x = 12 + -27
5x = 12 + -27

Combine like terms: 12 + -27 = -15
5x = -15

Divide each side by '5'.
x = -3

Simplifying
x = -3

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