4.2+7x=2.8

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Solution for 4.2+7x=2.8 equation: 


Simplifying
4.2 + 7x = 2.8

Solving
4.2 + 7x = 2.8

Solving for variable 'x'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 7x = 2.8 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 7x = 2.8 + -4.2
7x = 2.8 + -4.2

Combine like terms: 2.8 + -4.2 = -1.4
7x = -1.4

Divide each side by '7'.
x = -0.2

Simplifying
x = -0.2

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