4.2+x-1.4=7.5

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Solution for 4.2+x-1.4=7.5 equation: 


Simplifying
4.2 + x + -1.4 = 7.5

Reorder the terms:
4.2 + -1.4 + x = 7.5

Combine like terms: 4.2 + -1.4 = 2.8
2.8 + x = 7.5

Solving
2.8 + x = 7.5

Solving for variable 'x'.

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

Add '-2.8' to each side of the equation.
2.8 + -2.8 + x = 7.5 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + x = 7.5 + -2.8
x = 7.5 + -2.8

Combine like terms: 7.5 + -2.8 = 4.7
x = 4.7

Simplifying
x = 4.7

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