5x+9=4(x-3)

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Solution for 5x+9=4(x-3) equation:


Simplifying
5x + 9 = 4(x + -3)

Reorder the terms:
9 + 5x = 4(x + -3)

Reorder the terms:
9 + 5x = 4(-3 + x)
9 + 5x = (-3 * 4 + x * 4)
9 + 5x = (-12 + 4x)

Solving
9 + 5x = -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.
9 + 5x + -4x = -12 + 4x + -4x

Combine like terms: 5x + -4x = 1x
9 + 1x = -12 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + 1x = -12 + 0
9 + 1x = -12

Add '-9' to each side of the equation.
9 + -9 + 1x = -12 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = -12 + -9
1x = -12 + -9

Combine like terms: -12 + -9 = -21
1x = -21

Divide each side by '1'.
x = -21

Simplifying
x = -21

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