(10*0.3)+r=7.4

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Solution for (10*0.3)+r=7.4 equation: 


Simplifying
(10 * 0.3) + r = 7.4

Multiply 10 * 0.3
(3) + r = 7.4
3 + r = 7.4

Solving
3 + r = 7.4

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + r = 7.4 + -3

Combine like terms: 3 + -3 = 0
0 + r = 7.4 + -3
r = 7.4 + -3

Combine like terms: 7.4 + -3 = 4.4
r = 4.4

Simplifying
r = 4.4

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