2+4r+7=

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Solution for 2+4r+7= equation: 


Simplifying
2 + 4r + 7 = 0

Reorder the terms:
2 + 7 + 4r = 0

Combine like terms: 2 + 7 = 9
9 + 4r = 0

Solving
9 + 4r = 0

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 4r = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 4r = 0 + -9
4r = 0 + -9

Combine like terms: 0 + -9 = -9
4r = -9

Divide each side by '4'.
r = -2.25

Simplifying
r = -2.25

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