4.8+3=r

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Solution for 4.8+3=r equation:


Simplifying
4.8 + 3 = r

Combine like terms: 4.8 + 3 = 7.8
7.8 = r

Solving
7.8 = r

Solving for variable 'r'.

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

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

Combine like terms: r + -1r = 0
7.8 + -1r = 0

Add '-7.8' to each side of the equation.
7.8 + -7.8 + -1r = 0 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + -1r = 0 + -7.8
-1r = 0 + -7.8

Combine like terms: 0 + -7.8 = -7.8
-1r = -7.8

Divide each side by '-1'.
r = 7.8

Simplifying
r = 7.8

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