-3+9x+4x=6(x+3)

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Solution for -3+9x+4x=6(x+3) equation:


Simplifying
-3 + 9x + 4x = 6(x + 3)

Combine like terms: 9x + 4x = 13x
-3 + 13x = 6(x + 3)

Reorder the terms:
-3 + 13x = 6(3 + x)
-3 + 13x = (3 * 6 + x * 6)
-3 + 13x = (18 + 6x)

Solving
-3 + 13x = 18 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-3 + 13x + -6x = 18 + 6x + -6x

Combine like terms: 13x + -6x = 7x
-3 + 7x = 18 + 6x + -6x

Combine like terms: 6x + -6x = 0
-3 + 7x = 18 + 0
-3 + 7x = 18

Add '3' to each side of the equation.
-3 + 3 + 7x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 7x = 18 + 3
7x = 18 + 3

Combine like terms: 18 + 3 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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