185=-7x-3(7x-15)

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Solution for 185=-7x-3(7x-15) equation:


Simplifying
185 = -7x + -3(7x + -15)

Reorder the terms:
185 = -7x + -3(-15 + 7x)
185 = -7x + (-15 * -3 + 7x * -3)
185 = -7x + (45 + -21x)

Reorder the terms:
185 = 45 + -7x + -21x

Combine like terms: -7x + -21x = -28x
185 = 45 + -28x

Solving
185 = 45 + -28x

Solving for variable 'x'.

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

Add '28x' to each side of the equation.
185 + 28x = 45 + -28x + 28x

Combine like terms: -28x + 28x = 0
185 + 28x = 45 + 0
185 + 28x = 45

Add '-185' to each side of the equation.
185 + -185 + 28x = 45 + -185

Combine like terms: 185 + -185 = 0
0 + 28x = 45 + -185
28x = 45 + -185

Combine like terms: 45 + -185 = -140
28x = -140

Divide each side by '28'.
x = -5

Simplifying
x = -5

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