-209=4(2+7k)+3k

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Solution for -209=4(2+7k)+3k equation:


Simplifying
-209 = 4(2 + 7k) + 3k
-209 = (2 * 4 + 7k * 4) + 3k
-209 = (8 + 28k) + 3k

Combine like terms: 28k + 3k = 31k
-209 = 8 + 31k

Solving
-209 = 8 + 31k

Solving for variable 'k'.

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

Add '-31k' to each side of the equation.
-209 + -31k = 8 + 31k + -31k

Combine like terms: 31k + -31k = 0
-209 + -31k = 8 + 0
-209 + -31k = 8

Add '209' to each side of the equation.
-209 + 209 + -31k = 8 + 209

Combine like terms: -209 + 209 = 0
0 + -31k = 8 + 209
-31k = 8 + 209

Combine like terms: 8 + 209 = 217
-31k = 217

Divide each side by '-31'.
k = -7

Simplifying
k = -7

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