0.4x+0.3x=2.1

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Solution for 0.4x+0.3x=2.1 equation: 


Simplifying
0.4x + 0.3x = 2.1

Combine like terms: 0.4x + 0.3x = 0.7x
0.7x = 2.1

Solving
0.7x = 2.1

Solving for variable 'x'.

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

Divide each side by '0.7'.
x = 3

Simplifying
x = 3

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