-168=7(1-5r)

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Solution for -168=7(1-5r) equation:


Simplifying
-168 = 7(1 + -5r)
-168 = (1 * 7 + -5r * 7)
-168 = (7 + -35r)

Solving
-168 = 7 + -35r

Solving for variable 'r'.

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

Add '35r' to each side of the equation.
-168 + 35r = 7 + -35r + 35r

Combine like terms: -35r + 35r = 0
-168 + 35r = 7 + 0
-168 + 35r = 7

Add '168' to each side of the equation.
-168 + 168 + 35r = 7 + 168

Combine like terms: -168 + 168 = 0
0 + 35r = 7 + 168
35r = 7 + 168

Combine like terms: 7 + 168 = 175
35r = 175

Divide each side by '35'.
r = 5

Simplifying
r = 5

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