189=19+7(13-x)

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Solution for 189=19+7(13-x) equation:


Simplifying
189 = 19 + 7(13 + -1x)
189 = 19 + (13 * 7 + -1x * 7)
189 = 19 + (91 + -7x)

Combine like terms: 19 + 91 = 110
189 = 110 + -7x

Solving
189 = 110 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
189 + 7x = 110 + -7x + 7x

Combine like terms: -7x + 7x = 0
189 + 7x = 110 + 0
189 + 7x = 110

Add '-189' to each side of the equation.
189 + -189 + 7x = 110 + -189

Combine like terms: 189 + -189 = 0
0 + 7x = 110 + -189
7x = 110 + -189

Combine like terms: 110 + -189 = -79
7x = -79

Divide each side by '7'.
x = -11.28571429

Simplifying
x = -11.28571429

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