-413=7(-7r-3)

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Solution for -413=7(-7r-3) equation:


Simplifying
-413 = 7(-7r + -3)

Reorder the terms:
-413 = 7(-3 + -7r)
-413 = (-3 * 7 + -7r * 7)
-413 = (-21 + -49r)

Solving
-413 = -21 + -49r

Solving for variable 'r'.

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

Add '49r' to each side of the equation.
-413 + 49r = -21 + -49r + 49r

Combine like terms: -49r + 49r = 0
-413 + 49r = -21 + 0
-413 + 49r = -21

Add '413' to each side of the equation.
-413 + 413 + 49r = -21 + 413

Combine like terms: -413 + 413 = 0
0 + 49r = -21 + 413
49r = -21 + 413

Combine like terms: -21 + 413 = 392
49r = 392

Divide each side by '49'.
r = 8

Simplifying
r = 8

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