1670=2.5x+15(x-20)

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Solution for 1670=2.5x+15(x-20) equation:


Simplifying
1670 = 2.5x + 15(x + -20)

Reorder the terms:
1670 = 2.5x + 15(-20 + x)
1670 = 2.5x + (-20 * 15 + x * 15)
1670 = 2.5x + (-300 + 15x)

Reorder the terms:
1670 = -300 + 2.5x + 15x

Combine like terms: 2.5x + 15x = 17.5x
1670 = -300 + 17.5x

Solving
1670 = -300 + 17.5x

Solving for variable 'x'.

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

Add '-17.5x' to each side of the equation.
1670 + -17.5x = -300 + 17.5x + -17.5x

Combine like terms: 17.5x + -17.5x = 0.0
1670 + -17.5x = -300 + 0.0
1670 + -17.5x = -300

Add '-1670' to each side of the equation.
1670 + -1670 + -17.5x = -300 + -1670

Combine like terms: 1670 + -1670 = 0
0 + -17.5x = -300 + -1670
-17.5x = -300 + -1670

Combine like terms: -300 + -1670 = -1970
-17.5x = -1970

Divide each side by '-17.5'.
x = 112.5714286

Simplifying
x = 112.5714286

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