(x-4)(9)=138

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Solution for (x-4)(9)=138 equation:


Simplifying
(x + -4)(9) = 138

Reorder the terms:
(-4 + x)(9) = 138

Reorder the terms for easier multiplication:
9(-4 + x) = 138
(-4 * 9 + x * 9) = 138
(-36 + 9x) = 138

Solving
-36 + 9x = 138

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 9x = 138 + 36

Combine like terms: -36 + 36 = 0
0 + 9x = 138 + 36
9x = 138 + 36

Combine like terms: 138 + 36 = 174
9x = 174

Divide each side by '9'.
x = 19.33333333

Simplifying
x = 19.33333333

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