3r+4e-7r=

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Solution for 3r+4e-7r= equation: 


Simplifying
3r + 4e + -7r = 0

Reorder the terms:
4e + 3r + -7r = 0

Combine like terms: 3r + -7r = -4r
4e + -4r = 0

Solving
4e + -4r = 0

Solving for variable 'e'.

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

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

Combine like terms: -4r + 4r = 0
4e + 0 = 0 + 4r
4e = 0 + 4r
Remove the zero:
4e = 4r

Divide each side by '4'.
e = r

Simplifying
e = r

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