8x-(3x+9)=11

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Solution for 8x-(3x+9)=11 equation:


Simplifying
8x + -1(3x + 9) = 11

Reorder the terms:
8x + -1(9 + 3x) = 11
8x + (9 * -1 + 3x * -1) = 11
8x + (-9 + -3x) = 11

Reorder the terms:
-9 + 8x + -3x = 11

Combine like terms: 8x + -3x = 5x
-9 + 5x = 11

Solving
-9 + 5x = 11

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 5x = 11 + 9

Combine like terms: -9 + 9 = 0
0 + 5x = 11 + 9
5x = 11 + 9

Combine like terms: 11 + 9 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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