7x+(x-1)=3x+19

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Solution for 7x+(x-1)=3x+19 equation:


Simplifying
7x + (x + -1) = 3x + 19

Reorder the terms:
7x + (-1 + x) = 3x + 19

Remove parenthesis around (-1 + x)
7x + -1 + x = 3x + 19

Reorder the terms:
-1 + 7x + x = 3x + 19

Combine like terms: 7x + x = 8x
-1 + 8x = 3x + 19

Reorder the terms:
-1 + 8x = 19 + 3x

Solving
-1 + 8x = 19 + 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.
-1 + 8x + -3x = 19 + 3x + -3x

Combine like terms: 8x + -3x = 5x
-1 + 5x = 19 + 3x + -3x

Combine like terms: 3x + -3x = 0
-1 + 5x = 19 + 0
-1 + 5x = 19

Add '1' to each side of the equation.
-1 + 1 + 5x = 19 + 1

Combine like terms: -1 + 1 = 0
0 + 5x = 19 + 1
5x = 19 + 1

Combine like terms: 19 + 1 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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