7r+2=5(r-5)

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Solution for 7r+2=5(r-5) equation:


Simplifying
7r + 2 = 5(r + -5)

Reorder the terms:
2 + 7r = 5(r + -5)

Reorder the terms:
2 + 7r = 5(-5 + r)
2 + 7r = (-5 * 5 + r * 5)
2 + 7r = (-25 + 5r)

Solving
2 + 7r = -25 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
2 + 7r + -5r = -25 + 5r + -5r

Combine like terms: 7r + -5r = 2r
2 + 2r = -25 + 5r + -5r

Combine like terms: 5r + -5r = 0
2 + 2r = -25 + 0
2 + 2r = -25

Add '-2' to each side of the equation.
2 + -2 + 2r = -25 + -2

Combine like terms: 2 + -2 = 0
0 + 2r = -25 + -2
2r = -25 + -2

Combine like terms: -25 + -2 = -27
2r = -27

Divide each side by '2'.
r = -13.5

Simplifying
r = -13.5

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