How do you solve #\frac { 5} { d - 6} = \frac { 4} { d + 1}#?

1 Answer
Joltii
Apr 24, 2018

cross multiply!

#d=-29#

Explanation:

so you must cross multiply the equation (butterfly?)
(Basically multiply diagonally)
so multiply
# 5 *(d+1) = 5d+5 #

#(d-6) * 4 = 4d-24#

so then

#4d-24=5d+5#
solve like normal!
#-24=d+5#

#-29=d#

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