7=2r+5r

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Solution for 7=2r+5r equation:


Simplifying
7 = 2r + 5r

Combine like terms: 2r + 5r = 7r
7 = 7r

Solving
7 = 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.
7 + -7r = 7r + -7r

Combine like terms: 7r + -7r = 0
7 + -7r = 0

Add '-7' to each side of the equation.
7 + -7 + -7r = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -7r = 0 + -7
-7r = 0 + -7

Combine like terms: 0 + -7 = -7
-7r = -7

Divide each side by '-7'.
r = 1

Simplifying
r = 1

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