30x+25x-15=40x-5+20

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Solution for 30x+25x-15=40x-5+20 equation:


Simplifying
30x + 25x + -15 = 40x + -5 + 20

Reorder the terms:
-15 + 30x + 25x = 40x + -5 + 20

Combine like terms: 30x + 25x = 55x
-15 + 55x = 40x + -5 + 20

Reorder the terms:
-15 + 55x = -5 + 20 + 40x

Combine like terms: -5 + 20 = 15
-15 + 55x = 15 + 40x

Solving
-15 + 55x = 15 + 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
-15 + 55x + -40x = 15 + 40x + -40x

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

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

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

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

Combine like terms: 15 + 15 = 30
15x = 30

Divide each side by '15'.
x = 2

Simplifying
x = 2

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