3(x-7)+x=19

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Solution for 3(x-7)+x=19 equation: 


Simplifying
3(x + -7) + x = 19

Reorder the terms:
3(-7 + x) + x = 19
(-7 * 3 + x * 3) + x = 19
(-21 + 3x) + x = 19

Combine like terms: 3x + x = 4x
-21 + 4x = 19

Solving
-21 + 4x = 19

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 4x = 19 + 21

Combine like terms: -21 + 21 = 0
0 + 4x = 19 + 21
4x = 19 + 21

Combine like terms: 19 + 21 = 40
4x = 40

Divide each side by '4'.
x = 10

Simplifying
x = 10

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