2r+17=4r-7

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Solution for 2r+17=4r-7 equation:


Simplifying
2r + 17 = 4r + -7

Reorder the terms:
17 + 2r = 4r + -7

Reorder the terms:
17 + 2r = -7 + 4r

Solving
17 + 2r = -7 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
17 + 2r + -4r = -7 + 4r + -4r

Combine like terms: 2r + -4r = -2r
17 + -2r = -7 + 4r + -4r

Combine like terms: 4r + -4r = 0
17 + -2r = -7 + 0
17 + -2r = -7

Add '-17' to each side of the equation.
17 + -17 + -2r = -7 + -17

Combine like terms: 17 + -17 = 0
0 + -2r = -7 + -17
-2r = -7 + -17

Combine like terms: -7 + -17 = -24
-2r = -24

Divide each side by '-2'.
r = 12

Simplifying
r = 12

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