7(5k+5)=210

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Solution for 7(5k+5)=210 equation: 


Simplifying
7(5k + 5) = 210

Reorder the terms:
7(5 + 5k) = 210
(5 * 7 + 5k * 7) = 210
(35 + 35k) = 210

Solving
35 + 35k = 210

Solving for variable 'k'.

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

Add '-35' to each side of the equation.
35 + -35 + 35k = 210 + -35

Combine like terms: 35 + -35 = 0
0 + 35k = 210 + -35
35k = 210 + -35

Combine like terms: 210 + -35 = 175
35k = 175

Divide each side by '35'.
k = 5

Simplifying
k = 5

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