X+3(X-7)=19

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


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

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

Reorder the terms:
-21 + X + 3X = 19

Combine like terms: X + 3X = 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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