187=19+7[13-x]

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Solution for 187=19+7[13-x] equation:


Simplifying
187 = 19 + 7[13 + -1x]
187 = 19 + [13 * 7 + -1x * 7]
187 = 19 + [91 + -7x]

Combine like terms: 19 + 91 = 110
187 = 110 + -7x

Solving
187 = 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.
187 + 7x = 110 + -7x + 7x

Combine like terms: -7x + 7x = 0
187 + 7x = 110 + 0
187 + 7x = 110

Add '-187' to each side of the equation.
187 + -187 + 7x = 110 + -187

Combine like terms: 187 + -187 = 0
0 + 7x = 110 + -187
7x = 110 + -187

Combine like terms: 110 + -187 = -77
7x = -77

Divide each side by '7'.
x = -11

Simplifying
x = -11

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