7x+12=13r

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Solution for 7x+12=13r equation: 


Simplifying
7x + 12 = 13r

Reorder the terms:
12 + 7x = 13r

Solving
12 + 7x = 13r

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 7x = -12 + 13r

Combine like terms: 12 + -12 = 0
0 + 7x = -12 + 13r
7x = -12 + 13r

Divide each side by '7'.
x = -1.714285714 + 1.857142857r

Simplifying
x = -1.714285714 + 1.857142857r

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