7x-2x=21+3

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Solution for 7x-2x=21+3 equation: 


Simplifying
7x + -2x = 21 + 3

Combine like terms: 7x + -2x = 5x
5x = 21 + 3

Combine like terms: 21 + 3 = 24
5x = 24

Solving
5x = 24

Solving for variable 'x'.

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

Divide each side by '5'.
x = 4.8

Simplifying
x = 4.8

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