r-4.7=7r+9.1

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Solution for r-4.7=7r+9.1 equation:


Simplifying
r + -4.7 = 7r + 9.1

Reorder the terms:
-4.7 + r = 7r + 9.1

Reorder the terms:
-4.7 + r = 9.1 + 7r

Solving
-4.7 + r = 9.1 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-4.7 + r + -7r = 9.1 + 7r + -7r

Combine like terms: r + -7r = -6r
-4.7 + -6r = 9.1 + 7r + -7r

Combine like terms: 7r + -7r = 0
-4.7 + -6r = 9.1 + 0
-4.7 + -6r = 9.1

Add '4.7' to each side of the equation.
-4.7 + 4.7 + -6r = 9.1 + 4.7

Combine like terms: -4.7 + 4.7 = 0.0
0.0 + -6r = 9.1 + 4.7
-6r = 9.1 + 4.7

Combine like terms: 9.1 + 4.7 = 13.8
-6r = 13.8

Divide each side by '-6'.
r = -2.3

Simplifying
r = -2.3

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