5x+4(x-1)=10x+9

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Solution for 5x+4(x-1)=10x+9 equation:


Simplifying
5x + 4(x + -1) = 10x + 9

Reorder the terms:
5x + 4(-1 + x) = 10x + 9
5x + (-1 * 4 + x * 4) = 10x + 9
5x + (-4 + 4x) = 10x + 9

Reorder the terms:
-4 + 5x + 4x = 10x + 9

Combine like terms: 5x + 4x = 9x
-4 + 9x = 10x + 9

Reorder the terms:
-4 + 9x = 9 + 10x

Solving
-4 + 9x = 9 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-4 + 9x + -10x = 9 + 10x + -10x

Combine like terms: 9x + -10x = -1x
-4 + -1x = 9 + 10x + -10x

Combine like terms: 10x + -10x = 0
-4 + -1x = 9 + 0
-4 + -1x = 9

Add '4' to each side of the equation.
-4 + 4 + -1x = 9 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 9 + 4
-1x = 9 + 4

Combine like terms: 9 + 4 = 13
-1x = 13

Divide each side by '-1'.
x = -13

Simplifying
x = -13

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