7x-9=3(x-1)

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Solution for 7x-9=3(x-1) equation:


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

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

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

Solving
-9 + 7x = -3 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-9 + 7x + -3x = -3 + 3x + -3x

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

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

Add '9' to each side of the equation.
-9 + 9 + 4x = -3 + 9

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

Combine like terms: -3 + 9 = 6
4x = 6

Divide each side by '4'.
x = 1.5

Simplifying
x = 1.5

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