100x-(55x+40)=15

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Solution for 100x-(55x+40)=15 equation:


Simplifying
100x + -1(55x + 40) = 15

Reorder the terms:
100x + -1(40 + 55x) = 15
100x + (40 * -1 + 55x * -1) = 15
100x + (-40 + -55x) = 15

Reorder the terms:
-40 + 100x + -55x = 15

Combine like terms: 100x + -55x = 45x
-40 + 45x = 15

Solving
-40 + 45x = 15

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 45x = 15 + 40

Combine like terms: -40 + 40 = 0
0 + 45x = 15 + 40
45x = 15 + 40

Combine like terms: 15 + 40 = 55
45x = 55

Divide each side by '45'.
x = 1.222222222

Simplifying
x = 1.222222222

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