1.25x+21=4x

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Solution for 1.25x+21=4x equation:


Simplifying
1.25x + 21 = 4x

Reorder the terms:
21 + 1.25x = 4x

Solving
21 + 1.25x = 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.
21 + 1.25x + -4x = 4x + -4x

Combine like terms: 1.25x + -4x = -2.75x
21 + -2.75x = 4x + -4x

Combine like terms: 4x + -4x = 0
21 + -2.75x = 0

Add '-21' to each side of the equation.
21 + -21 + -2.75x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -2.75x = 0 + -21
-2.75x = 0 + -21

Combine like terms: 0 + -21 = -21
-2.75x = -21

Divide each side by '-2.75'.
x = 7.636363636

Simplifying
x = 7.636363636

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