216-5x=40x+21

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Solution for 216-5x=40x+21 equation:


Simplifying
216 + -5x = 40x + 21

Reorder the terms:
216 + -5x = 21 + 40x

Solving
216 + -5x = 21 + 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.
216 + -5x + -40x = 21 + 40x + -40x

Combine like terms: -5x + -40x = -45x
216 + -45x = 21 + 40x + -40x

Combine like terms: 40x + -40x = 0
216 + -45x = 21 + 0
216 + -45x = 21

Add '-216' to each side of the equation.
216 + -216 + -45x = 21 + -216

Combine like terms: 216 + -216 = 0
0 + -45x = 21 + -216
-45x = 21 + -216

Combine like terms: 21 + -216 = -195
-45x = -195

Divide each side by '-45'.
x = 4.333333333

Simplifying
x = 4.333333333

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