9x-13=4(x+3)

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Solution for 9x-13=4(x+3) equation:


Simplifying
9x + -13 = 4(x + 3)

Reorder the terms:
-13 + 9x = 4(x + 3)

Reorder the terms:
-13 + 9x = 4(3 + x)
-13 + 9x = (3 * 4 + x * 4)
-13 + 9x = (12 + 4x)

Solving
-13 + 9x = 12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-13 + 9x + -4x = 12 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-13 + 5x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
-13 + 5x = 12 + 0
-13 + 5x = 12

Add '13' to each side of the equation.
-13 + 13 + 5x = 12 + 13

Combine like terms: -13 + 13 = 0
0 + 5x = 12 + 13
5x = 12 + 13

Combine like terms: 12 + 13 = 25
5x = 25

Divide each side by '5'.
x = 5

Simplifying
x = 5

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