280=5(3x-5)+4(9x+2)

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Solution for 280=5(3x-5)+4(9x+2) equation:


Simplifying
280 = 5(3x + -5) + 4(9x + 2)

Reorder the terms:
280 = 5(-5 + 3x) + 4(9x + 2)
280 = (-5 * 5 + 3x * 5) + 4(9x + 2)
280 = (-25 + 15x) + 4(9x + 2)

Reorder the terms:
280 = -25 + 15x + 4(2 + 9x)
280 = -25 + 15x + (2 * 4 + 9x * 4)
280 = -25 + 15x + (8 + 36x)

Reorder the terms:
280 = -25 + 8 + 15x + 36x

Combine like terms: -25 + 8 = -17
280 = -17 + 15x + 36x

Combine like terms: 15x + 36x = 51x
280 = -17 + 51x

Solving
280 = -17 + 51x

Solving for variable 'x'.

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

Add '-51x' to each side of the equation.
280 + -51x = -17 + 51x + -51x

Combine like terms: 51x + -51x = 0
280 + -51x = -17 + 0
280 + -51x = -17

Add '-280' to each side of the equation.
280 + -280 + -51x = -17 + -280

Combine like terms: 280 + -280 = 0
0 + -51x = -17 + -280
-51x = -17 + -280

Combine like terms: -17 + -280 = -297
-51x = -297

Divide each side by '-51'.
x = 5.823529412

Simplifying
x = 5.823529412

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