2(r-7)=4

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Solution for 2(r-7)=4 equation: 


Simplifying
2(r + -7) = 4

Reorder the terms:
2(-7 + r) = 4
(-7 * 2 + r * 2) = 4
(-14 + 2r) = 4

Solving
-14 + 2r = 4

Solving for variable 'r'.

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

Add '14' to each side of the equation.
-14 + 14 + 2r = 4 + 14

Combine like terms: -14 + 14 = 0
0 + 2r = 4 + 14
2r = 4 + 14

Combine like terms: 4 + 14 = 18
2r = 18

Divide each side by '2'.
r = 9

Simplifying
r = 9

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