How do you solve #-2( 7- 6k ) + 8= 90#?

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Answer 1 · 2016-11-18T18:02:40

#k = 8#

Step 1) Expand the terms in the parenthesis:

#(-2*7) + (-2*-6k) + 8 = 90#

#-14 + 12k + 8 = 90#

Step 2) Combine like terms:

#12k - 6 = 90#

Step 3) Solve for #k# while keeping the equation balanced:

#12k - 6 + 6 = 90 + 6#

#12k = 96#

#(12k)/12 = 96/12#

#k = 8#