4x+0.75x=3x+21

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Solution for 4x+0.75x=3x+21 equation:


Simplifying
4x + 0.75x = 3x + 21

Combine like terms: 4x + 0.75x = 4.75x
4.75x = 3x + 21

Reorder the terms:
4.75x = 21 + 3x

Solving
4.75x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
4.75x + -3x = 21 + 3x + -3x

Combine like terms: 4.75x + -3x = 1.75x
1.75x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
1.75x = 21 + 0
1.75x = 21

Divide each side by '1.75'.
x = 12

Simplifying
x = 12

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