5(r-7)=-5(r-7)

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


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

Reorder the terms:
5(-7 + r) = -5(r + -7)
(-7 * 5 + r * 5) = -5(r + -7)
(-35 + 5r) = -5(r + -7)

Reorder the terms:
-35 + 5r = -5(-7 + r)
-35 + 5r = (-7 * -5 + r * -5)
-35 + 5r = (35 + -5r)

Solving
-35 + 5r = 35 + -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.
-35 + 5r + 5r = 35 + -5r + 5r

Combine like terms: 5r + 5r = 10r
-35 + 10r = 35 + -5r + 5r

Combine like terms: -5r + 5r = 0
-35 + 10r = 35 + 0
-35 + 10r = 35

Add '35' to each side of the equation.
-35 + 35 + 10r = 35 + 35

Combine like terms: -35 + 35 = 0
0 + 10r = 35 + 35
10r = 35 + 35

Combine like terms: 35 + 35 = 70
10r = 70

Divide each side by '10'.
r = 7

Simplifying
r = 7

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