6x-4(7-x)=9

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Solution for 6x-4(7-x)=9 equation:


Simplifying
6x + -4(7 + -1x) = 9
6x + (7 * -4 + -1x * -4) = 9
6x + (-28 + 4x) = 9

Reorder the terms:
-28 + 6x + 4x = 9

Combine like terms: 6x + 4x = 10x
-28 + 10x = 9

Solving
-28 + 10x = 9

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 10x = 9 + 28

Combine like terms: -28 + 28 = 0
0 + 10x = 9 + 28
10x = 9 + 28

Combine like terms: 9 + 28 = 37
10x = 37

Divide each side by '10'.
x = 3.7

Simplifying
x = 3.7

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