3x-10x-20=15

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Solution for 3x-10x-20=15 equation:


Simplifying
3x + -10x + -20 = 15

Reorder the terms:
-20 + 3x + -10x = 15

Combine like terms: 3x + -10x = -7x
-20 + -7x = 15

Solving
-20 + -7x = 15

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -7x = 15 + 20

Combine like terms: -20 + 20 = 0
0 + -7x = 15 + 20
-7x = 15 + 20

Combine like terms: 15 + 20 = 35
-7x = 35

Divide each side by '-7'.
x = -5

Simplifying
x = -5

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