7x-4(3x+1)=9

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Solution for 7x-4(3x+1)=9 equation:


Simplifying
7x + -4(3x + 1) = 9

Reorder the terms:
7x + -4(1 + 3x) = 9
7x + (1 * -4 + 3x * -4) = 9
7x + (-4 + -12x) = 9

Reorder the terms:
-4 + 7x + -12x = 9

Combine like terms: 7x + -12x = -5x
-4 + -5x = 9

Solving
-4 + -5x = 9

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -5x = 9 + 4

Combine like terms: -4 + 4 = 0
0 + -5x = 9 + 4
-5x = 9 + 4

Combine like terms: 9 + 4 = 13
-5x = 13

Divide each side by '-5'.
x = -2.6

Simplifying
x = -2.6

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