3x+17=7+21x

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Solution for 3x+17=7+21x equation:


Simplifying
3x + 17 = 7 + 21x

Reorder the terms:
17 + 3x = 7 + 21x

Solving
17 + 3x = 7 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
17 + 3x + -21x = 7 + 21x + -21x

Combine like terms: 3x + -21x = -18x
17 + -18x = 7 + 21x + -21x

Combine like terms: 21x + -21x = 0
17 + -18x = 7 + 0
17 + -18x = 7

Add '-17' to each side of the equation.
17 + -17 + -18x = 7 + -17

Combine like terms: 17 + -17 = 0
0 + -18x = 7 + -17
-18x = 7 + -17

Combine like terms: 7 + -17 = -10
-18x = -10

Divide each side by '-18'.
x = 0.5555555556

Simplifying
x = 0.5555555556

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