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

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


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

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

Combine like terms: 3x + -7x = -4x
-19 = 21 + -4x

Solving
-19 = 21 + -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.
-19 + 4x = 21 + -4x + 4x

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

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

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

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

Divide each side by '4'.
x = 10

Simplifying
x = 10

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