5(-10+r)=7(r-8)

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Solution for 5(-10+r)=7(r-8) equation:


Simplifying
5(-10 + r) = 7(r + -8)
(-10 * 5 + r * 5) = 7(r + -8)
(-50 + 5r) = 7(r + -8)

Reorder the terms:
-50 + 5r = 7(-8 + r)
-50 + 5r = (-8 * 7 + r * 7)
-50 + 5r = (-56 + 7r)

Solving
-50 + 5r = -56 + 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.
-50 + 5r + -7r = -56 + 7r + -7r

Combine like terms: 5r + -7r = -2r
-50 + -2r = -56 + 7r + -7r

Combine like terms: 7r + -7r = 0
-50 + -2r = -56 + 0
-50 + -2r = -56

Add '50' to each side of the equation.
-50 + 50 + -2r = -56 + 50

Combine like terms: -50 + 50 = 0
0 + -2r = -56 + 50
-2r = -56 + 50

Combine like terms: -56 + 50 = -6
-2r = -6

Divide each side by '-2'.
r = 3

Simplifying
r = 3

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