(4+3)x=21

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Solution for (4+3)x=21 equation: 


Simplifying
(4 + 3) * x = 21

Combine like terms: 4 + 3 = 7
(7) * x = 21

Solving
7x = 21

Solving for variable 'x'.

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

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