25=-3+7r

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Solution for 25=-3+7r equation:


Simplifying
25 = -3 + 7r

Solving
25 = -3 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
25 + -7r = -3 + 7r + -7r

Combine like terms: 7r + -7r = 0
25 + -7r = -3 + 0
25 + -7r = -3

Add '-25' to each side of the equation.
25 + -25 + -7r = -3 + -25

Combine like terms: 25 + -25 = 0
0 + -7r = -3 + -25
-7r = -3 + -25

Combine like terms: -3 + -25 = -28
-7r = -28

Divide each side by '-7'.
r = 4

Simplifying
r = 4

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