19=15+4(x-1)

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Solution for 19=15+4(x-1) equation:


Simplifying
19 = 15 + 4(x + -1)

Reorder the terms:
19 = 15 + 4(-1 + x)
19 = 15 + (-1 * 4 + x * 4)
19 = 15 + (-4 + 4x)

Combine like terms: 15 + -4 = 11
19 = 11 + 4x

Solving
19 = 11 + 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 = 11 + 4x + -4x

Combine like terms: 4x + -4x = 0
19 + -4x = 11 + 0
19 + -4x = 11

Add '-19' to each side of the equation.
19 + -19 + -4x = 11 + -19

Combine like terms: 19 + -19 = 0
0 + -4x = 11 + -19
-4x = 11 + -19

Combine like terms: 11 + -19 = -8
-4x = -8

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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