100-7r=4

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Solution for 100-7r=4 equation: 


Simplifying
100 + -7r = 4

Solving
100 + -7r = 4

Solving for variable 'r'.

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

Add '-100' to each side of the equation.
100 + -100 + -7r = 4 + -100

Combine like terms: 100 + -100 = 0
0 + -7r = 4 + -100
-7r = 4 + -100

Combine like terms: 4 + -100 = -96
-7r = -96

Divide each side by '-7'.
r = 13.71428571

Simplifying
r = 13.71428571

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