7x-(3x+5)=9

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Solution for 7x-(3x+5)=9 equation:


Simplifying
7x + -1(3x + 5) = 9

Reorder the terms:
7x + -1(5 + 3x) = 9
7x + (5 * -1 + 3x * -1) = 9
7x + (-5 + -3x) = 9

Reorder the terms:
-5 + 7x + -3x = 9

Combine like terms: 7x + -3x = 4x
-5 + 4x = 9

Solving
-5 + 4x = 9

Solving for variable 'x'.

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

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

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

Combine like terms: 9 + 5 = 14
4x = 14

Divide each side by '4'.
x = 3.5

Simplifying
x = 3.5

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