40-19=3(x-3)

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Solution for 40-19=3(x-3) equation: 


Simplifying
40 + -19 = 3(x + -3)

Combine like terms: 40 + -19 = 21
21 = 3(x + -3)

Reorder the terms:
21 = 3(-3 + x)
21 = (-3 * 3 + x * 3)
21 = (-9 + 3x)

Solving
21 = -9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + -3x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + -3x = -9 + 0
21 + -3x = -9

Add '-21' to each side of the equation.
21 + -21 + -3x = -9 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = -9 + -21
-3x = -9 + -21

Combine like terms: -9 + -21 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

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