19=7x-4(2x-7)

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Solution for 19=7x-4(2x-7) equation:


Simplifying
19 = 7x + -4(2x + -7)

Reorder the terms:
19 = 7x + -4(-7 + 2x)
19 = 7x + (-7 * -4 + 2x * -4)
19 = 7x + (28 + -8x)

Reorder the terms:
19 = 28 + 7x + -8x

Combine like terms: 7x + -8x = -1x
19 = 28 + -1x

Solving
19 = 28 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
19 + x = 28 + -1x + x

Combine like terms: -1x + x = 0
19 + x = 28 + 0
19 + x = 28

Add '-19' to each side of the equation.
19 + -19 + x = 28 + -19

Combine like terms: 19 + -19 = 0
0 + x = 28 + -19
x = 28 + -19

Combine like terms: 28 + -19 = 9
x = 9

Simplifying
x = 9

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