215=4x+9

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Solution for 215=4x+9 equation:


Simplifying
215 = 4x + 9

Reorder the terms:
215 = 9 + 4x

Solving
215 = 9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
215 + -4x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
215 + -4x = 9 + 0
215 + -4x = 9

Add '-215' to each side of the equation.
215 + -215 + -4x = 9 + -215

Combine like terms: 215 + -215 = 0
0 + -4x = 9 + -215
-4x = 9 + -215

Combine like terms: 9 + -215 = -206
-4x = -206

Divide each side by '-4'.
x = 51.5

Simplifying
x = 51.5

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