3x+4(x+3)=9

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


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

Reorder the terms:
3x + 4(3 + x) = 9
3x + (3 * 4 + x * 4) = 9
3x + (12 + 4x) = 9

Reorder the terms:
12 + 3x + 4x = 9

Combine like terms: 3x + 4x = 7x
12 + 7x = 9

Solving
12 + 7x = 9

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 7x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 9 + -12
7x = 9 + -12

Combine like terms: 9 + -12 = -3
7x = -3

Divide each side by '7'.
x = -0.4285714286

Simplifying
x = -0.4285714286

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