3.94(x-15)-2.20x=97.50

Solution for 3.94(x-15)-2.20x=97.50 equation:

Simplifying
3.94(x + -15) + -2.20x = 97.50

Reorder the terms:
3.94(-15 + x) + -2.20x = 97.50
(-15 * 3.94 + x * 3.94) + -2.20x = 97.50
(-59.1 + 3.94x) + -2.20x = 97.50

Combine like terms: 3.94x + -2.20x = 1.74x
-59.1 + 1.74x = 97.50

Solving
-59.1 + 1.74x = 97.50

Solving for variable 'x'.

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

Add '59.1' to each side of the equation.
-59.1 + 59.1 + 1.74x = 97.50 + 59.1

Combine like terms: -59.1 + 59.1 = 0.0
0.0 + 1.74x = 97.50 + 59.1
1.74x = 97.50 + 59.1

Combine like terms: 97.50 + 59.1 = 156.6
1.74x = 156.6

Divide each side by '1.74'.
x = 90

Simplifying
x = 90