187=3x+7(4x-3-3)

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Solution for 187=3x+7(4x-3-3) equation:


Simplifying
187 = 3x + 7(4x + -3 + -3)

Reorder the terms:
187 = 3x + 7(-3 + -3 + 4x)

Combine like terms: -3 + -3 = -6
187 = 3x + 7(-6 + 4x)
187 = 3x + (-6 * 7 + 4x * 7)
187 = 3x + (-42 + 28x)

Reorder the terms:
187 = -42 + 3x + 28x

Combine like terms: 3x + 28x = 31x
187 = -42 + 31x

Solving
187 = -42 + 31x

Solving for variable 'x'.

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

Add '-31x' to each side of the equation.
187 + -31x = -42 + 31x + -31x

Combine like terms: 31x + -31x = 0
187 + -31x = -42 + 0
187 + -31x = -42

Add '-187' to each side of the equation.
187 + -187 + -31x = -42 + -187

Combine like terms: 187 + -187 = 0
0 + -31x = -42 + -187
-31x = -42 + -187

Combine like terms: -42 + -187 = -229
-31x = -229

Divide each side by '-31'.
x = 7.387096774

Simplifying
x = 7.387096774

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