7(-8+3r)=-203

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Solution for 7(-8+3r)=-203 equation:


Simplifying
7(-8 + 3r) = -203
(-8 * 7 + 3r * 7) = -203
(-56 + 21r) = -203

Solving
-56 + 21r = -203

Solving for variable 'r'.

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

Add '56' to each side of the equation.
-56 + 56 + 21r = -203 + 56

Combine like terms: -56 + 56 = 0
0 + 21r = -203 + 56
21r = -203 + 56

Combine like terms: -203 + 56 = -147
21r = -147

Divide each side by '21'.
r = -7

Simplifying
r = -7

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