10(x+4)=9x

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Solution for 10(x+4)=9x equation:


Simplifying
10(x + 4) = 9x

Reorder the terms:
10(4 + x) = 9x
(4 * 10 + x * 10) = 9x
(40 + 10x) = 9x

Solving
40 + 10x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
40 + 10x + -9x = 9x + -9x

Combine like terms: 10x + -9x = 1x
40 + 1x = 9x + -9x

Combine like terms: 9x + -9x = 0
40 + 1x = 0

Add '-40' to each side of the equation.
40 + -40 + 1x = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 1x = 0 + -40
1x = 0 + -40

Combine like terms: 0 + -40 = -40
1x = -40

Divide each side by '1'.
x = -40

Simplifying
x = -40

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