-403=-3+8(-2-8r)

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Solution for -403=-3+8(-2-8r) equation:


Simplifying
-403 = -3 + 8(-2 + -8r)
-403 = -3 + (-2 * 8 + -8r * 8)
-403 = -3 + (-16 + -64r)

Combine like terms: -3 + -16 = -19
-403 = -19 + -64r

Solving
-403 = -19 + -64r

Solving for variable 'r'.

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

Add '64r' to each side of the equation.
-403 + 64r = -19 + -64r + 64r

Combine like terms: -64r + 64r = 0
-403 + 64r = -19 + 0
-403 + 64r = -19

Add '403' to each side of the equation.
-403 + 403 + 64r = -19 + 403

Combine like terms: -403 + 403 = 0
0 + 64r = -19 + 403
64r = -19 + 403

Combine like terms: -19 + 403 = 384
64r = 384

Divide each side by '64'.
r = 6

Simplifying
r = 6

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