3x-20=18x-215

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Solution for 3x-20=18x-215 equation:


Simplifying
3x + -20 = 18x + -215

Reorder the terms:
-20 + 3x = 18x + -215

Reorder the terms:
-20 + 3x = -215 + 18x

Solving
-20 + 3x = -215 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-20 + 3x + -18x = -215 + 18x + -18x

Combine like terms: 3x + -18x = -15x
-20 + -15x = -215 + 18x + -18x

Combine like terms: 18x + -18x = 0
-20 + -15x = -215 + 0
-20 + -15x = -215

Add '20' to each side of the equation.
-20 + 20 + -15x = -215 + 20

Combine like terms: -20 + 20 = 0
0 + -15x = -215 + 20
-15x = -215 + 20

Combine like terms: -215 + 20 = -195
-15x = -195

Divide each side by '-15'.
x = 13

Simplifying
x = 13

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