4+2+r=-7

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


Simplifying
4 + 2 + r = -7

Combine like terms: 4 + 2 = 6
6 + r = -7

Solving
6 + r = -7

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + r = -7 + -6

Combine like terms: 6 + -6 = 0
0 + r = -7 + -6
r = -7 + -6

Combine like terms: -7 + -6 = -13
r = -13

Simplifying
r = -13

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