3x-(7x-9)=

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


Simplifying
3x + -1(7x + -9) = 0

Reorder the terms:
3x + -1(-9 + 7x) = 0
3x + (-9 * -1 + 7x * -1) = 0
3x + (9 + -7x) = 0

Reorder the terms:
9 + 3x + -7x = 0

Combine like terms: 3x + -7x = -4x
9 + -4x = 0

Solving
9 + -4x = 0

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 + -4x = 0 + -9

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

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

Divide each side by '-4'.
x = 2.25

Simplifying
x = 2.25

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