2r+50=7r+30

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Solution for 2r+50=7r+30 equation:


Simplifying
2r + 50 = 7r + 30

Reorder the terms:
50 + 2r = 7r + 30

Reorder the terms:
50 + 2r = 30 + 7r

Solving
50 + 2r = 30 + 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.
50 + 2r + -7r = 30 + 7r + -7r

Combine like terms: 2r + -7r = -5r
50 + -5r = 30 + 7r + -7r

Combine like terms: 7r + -7r = 0
50 + -5r = 30 + 0
50 + -5r = 30

Add '-50' to each side of the equation.
50 + -50 + -5r = 30 + -50

Combine like terms: 50 + -50 = 0
0 + -5r = 30 + -50
-5r = 30 + -50

Combine like terms: 30 + -50 = -20
-5r = -20

Divide each side by '-5'.
r = 4

Simplifying
r = 4

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