6.5-2.3=7.8-X

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Solution for 6.5-2.3=7.8-X equation: 


Simplifying
6.5 + -2.3 = 7.8 + -1X

Combine like terms: 6.5 + -2.3 = 4.2
4.2 = 7.8 + -1X

Solving
4.2 = 7.8 + -1X

Solving for variable 'X'.

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

Add 'X' to each side of the equation.
4.2 + X = 7.8 + -1X + X

Combine like terms: -1X + X = 0
4.2 + X = 7.8 + 0
4.2 + X = 7.8

Add '-4.2' to each side of the equation.
4.2 + -4.2 + X = 7.8 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + X = 7.8 + -4.2
X = 7.8 + -4.2

Combine like terms: 7.8 + -4.2 = 3.6
X = 3.6

Simplifying
X = 3.6

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