7x-9=3(X-7)

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


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

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

Reorder the terms:
-9 + 7x = 3(-7 + X)
-9 + 7x = (-7 * 3 + X * 3)
-9 + 7x = (-21 + 3X)

Solving
-9 + 7x = -21 + 3X

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 = -21 + 9 + 3X

Combine like terms: -9 + 9 = 0
0 + 7x = -21 + 9 + 3X
7x = -21 + 9 + 3X

Combine like terms: -21 + 9 = -12
7x = -12 + 3X

Divide each side by '7'.
x = -1.714285714 + 0.4285714286X

Simplifying
x = -1.714285714 + 0.4285714286X

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