r+7.4=4.3

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Solution for r+7.4=4.3 equation: 


Simplifying
r + 7.4 = 4.3

Reorder the terms:
7.4 + r = 4.3

Solving
7.4 + r = 4.3

Solving for variable 'r'.

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

Add '-7.4' to each side of the equation.
7.4 + -7.4 + r = 4.3 + -7.4

Combine like terms: 7.4 + -7.4 = 0.0
0.0 + r = 4.3 + -7.4
r = 4.3 + -7.4

Combine like terms: 4.3 + -7.4 = -3.1
r = -3.1

Simplifying
r = -3.1

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