7.3=8.7-0.2X

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Solution for 7.3=8.7-0.2X equation: 


Simplifying
7.3 = 8.7 + -0.2X

Solving
7.3 = 8.7 + -0.2X

Solving for variable 'X'.

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

Add '0.2X' to each side of the equation.
7.3 + 0.2X = 8.7 + -0.2X + 0.2X

Combine like terms: -0.2X + 0.2X = 0.0
7.3 + 0.2X = 8.7 + 0.0
7.3 + 0.2X = 8.7

Add '-7.3' to each side of the equation.
7.3 + -7.3 + 0.2X = 8.7 + -7.3

Combine like terms: 7.3 + -7.3 = 0.0
0.0 + 0.2X = 8.7 + -7.3
0.2X = 8.7 + -7.3

Combine like terms: 8.7 + -7.3 = 1.4
0.2X = 1.4

Divide each side by '0.2'.
X = 7

Simplifying
X = 7

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