7(x-4)=9(9x-2)

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Solution for 7(x-4)=9(9x-2) equation:


Simplifying
7(x + -4) = 9(9x + -2)

Reorder the terms:
7(-4 + x) = 9(9x + -2)
(-4 * 7 + x * 7) = 9(9x + -2)
(-28 + 7x) = 9(9x + -2)

Reorder the terms:
-28 + 7x = 9(-2 + 9x)
-28 + 7x = (-2 * 9 + 9x * 9)
-28 + 7x = (-18 + 81x)

Solving
-28 + 7x = -18 + 81x

Solving for variable 'x'.

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

Add '-81x' to each side of the equation.
-28 + 7x + -81x = -18 + 81x + -81x

Combine like terms: 7x + -81x = -74x
-28 + -74x = -18 + 81x + -81x

Combine like terms: 81x + -81x = 0
-28 + -74x = -18 + 0
-28 + -74x = -18

Add '28' to each side of the equation.
-28 + 28 + -74x = -18 + 28

Combine like terms: -28 + 28 = 0
0 + -74x = -18 + 28
-74x = -18 + 28

Combine like terms: -18 + 28 = 10
-74x = 10

Divide each side by '-74'.
x = -0.1351351351

Simplifying
x = -0.1351351351

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