11x-(4x-9)=30

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Solution for 11x-(4x-9)=30 equation:


Simplifying
11x + -1(4x + -9) = 30

Reorder the terms:
11x + -1(-9 + 4x) = 30
11x + (-9 * -1 + 4x * -1) = 30
11x + (9 + -4x) = 30

Reorder the terms:
9 + 11x + -4x = 30

Combine like terms: 11x + -4x = 7x
9 + 7x = 30

Solving
9 + 7x = 30

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 + 7x = 30 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 30 + -9
7x = 30 + -9

Combine like terms: 30 + -9 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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