-490=-8(-8k-3)-3

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Solution for -490=-8(-8k-3)-3 equation:


Simplifying
-490 = -8(-8k + -3) + -3

Reorder the terms:
-490 = -8(-3 + -8k) + -3
-490 = (-3 * -8 + -8k * -8) + -3
-490 = (24 + 64k) + -3

Reorder the terms:
-490 = 24 + -3 + 64k

Combine like terms: 24 + -3 = 21
-490 = 21 + 64k

Solving
-490 = 21 + 64k

Solving for variable 'k'.

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

Add '-64k' to each side of the equation.
-490 + -64k = 21 + 64k + -64k

Combine like terms: 64k + -64k = 0
-490 + -64k = 21 + 0
-490 + -64k = 21

Add '490' to each side of the equation.
-490 + 490 + -64k = 21 + 490

Combine like terms: -490 + 490 = 0
0 + -64k = 21 + 490
-64k = 21 + 490

Combine like terms: 21 + 490 = 511
-64k = 511

Divide each side by '-64'.
k = -7.984375

Simplifying
k = -7.984375

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