245=7x+5(-7x-7)

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Solution for 245=7x+5(-7x-7) equation:


Simplifying
245 = 7x + 5(-7x + -7)

Reorder the terms:
245 = 7x + 5(-7 + -7x)
245 = 7x + (-7 * 5 + -7x * 5)
245 = 7x + (-35 + -35x)

Reorder the terms:
245 = -35 + 7x + -35x

Combine like terms: 7x + -35x = -28x
245 = -35 + -28x

Solving
245 = -35 + -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.
245 + 28x = -35 + -28x + 28x

Combine like terms: -28x + 28x = 0
245 + 28x = -35 + 0
245 + 28x = -35

Add '-245' to each side of the equation.
245 + -245 + 28x = -35 + -245

Combine like terms: 245 + -245 = 0
0 + 28x = -35 + -245
28x = -35 + -245

Combine like terms: -35 + -245 = -280
28x = -280

Divide each side by '28'.
x = -10

Simplifying
x = -10

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