280=-5x+5(-5x+14)

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Solution for 280=-5x+5(-5x+14) equation:


Simplifying
280 = -5x + 5(-5x + 14)

Reorder the terms:
280 = -5x + 5(14 + -5x)
280 = -5x + (14 * 5 + -5x * 5)
280 = -5x + (70 + -25x)

Reorder the terms:
280 = 70 + -5x + -25x

Combine like terms: -5x + -25x = -30x
280 = 70 + -30x

Solving
280 = 70 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
280 + 30x = 70 + -30x + 30x

Combine like terms: -30x + 30x = 0
280 + 30x = 70 + 0
280 + 30x = 70

Add '-280' to each side of the equation.
280 + -280 + 30x = 70 + -280

Combine like terms: 280 + -280 = 0
0 + 30x = 70 + -280
30x = 70 + -280

Combine like terms: 70 + -280 = -210
30x = -210

Divide each side by '30'.
x = -7

Simplifying
x = -7

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