19=7x+4-2x

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Solution for 19=7x+4-2x equation:


Simplifying
19 = 7x + 4 + -2x

Reorder the terms:
19 = 4 + 7x + -2x

Combine like terms: 7x + -2x = 5x
19 = 4 + 5x

Solving
19 = 4 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
19 + -5x = 4 + 5x + -5x

Combine like terms: 5x + -5x = 0
19 + -5x = 4 + 0
19 + -5x = 4

Add '-19' to each side of the equation.
19 + -19 + -5x = 4 + -19

Combine like terms: 19 + -19 = 0
0 + -5x = 4 + -19
-5x = 4 + -19

Combine like terms: 4 + -19 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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