-18-7r=-2(7r-5)

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Solution for -18-7r=-2(7r-5) equation:


Simplifying
-18 + -7r = -2(7r + -5)

Reorder the terms:
-18 + -7r = -2(-5 + 7r)
-18 + -7r = (-5 * -2 + 7r * -2)
-18 + -7r = (10 + -14r)

Solving
-18 + -7r = 10 + -14r

Solving for variable 'r'.

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

Add '14r' to each side of the equation.
-18 + -7r + 14r = 10 + -14r + 14r

Combine like terms: -7r + 14r = 7r
-18 + 7r = 10 + -14r + 14r

Combine like terms: -14r + 14r = 0
-18 + 7r = 10 + 0
-18 + 7r = 10

Add '18' to each side of the equation.
-18 + 18 + 7r = 10 + 18

Combine like terms: -18 + 18 = 0
0 + 7r = 10 + 18
7r = 10 + 18

Combine like terms: 10 + 18 = 28
7r = 28

Divide each side by '7'.
r = 4

Simplifying
r = 4

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