3x-15=20-4

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Solution for 3x-15=20-4 equation:


Simplifying
3x + -15 = 20 + -4

Reorder the terms:
-15 + 3x = 20 + -4

Combine like terms: 20 + -4 = 16
-15 + 3x = 16

Solving
-15 + 3x = 16

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 3x = 16 + 15

Combine like terms: -15 + 15 = 0
0 + 3x = 16 + 15
3x = 16 + 15

Combine like terms: 16 + 15 = 31
3x = 31

Divide each side by '3'.
x = 10.33333333

Simplifying
x = 10.33333333

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