4r-7+(-2r)=

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


Simplifying
4r + -7 + (-2r) = 0

Reorder the terms:
-7 + 4r + (-2r) = 0

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

Solving
-7 + 2r = 0

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 2r = 0 + 7

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

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

Divide each side by '2'.
r = 3.5

Simplifying
r = 3.5

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