How do you solve #2( 20p + 12) - 3= 2p - 17#?

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Answer 1 · 2018-01-16T17:54:28

#p = -1#

#2(20p+12)-3 = 2p-17#

expand brackets:

#40p+24-3 = 2p - 17#

collect like terms on either side:

#40p+21 = 2p-17#

subtract #2p#:

#38p + 21 = -17#

subtract #21#:

#38p = -38#

divide by #38#:

#p = -1#