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OpenStudy (anonymous):
Jordan solved the equation −7x + 25 = 48; his work is shown below. Identify the error and where it was made.
−7x + 25 = 48
Step 1: −7x + 25 − 25 = 48 − 25
Step 2: −7x = 23
Step 3: negative seven times x over seven = twenty-three over seven
Step 4: x = twenty-three over seven
Step 1: He should have added 25 to each side.
Step 1: He should have divided both sides by −7.
Step 3: He should have divided both sides by −7.
Step 3: He should have multiplied both sides by −7.
OpenStudy (anonymous):
im not sure
OpenStudy (anonymous):
i just need step by step help
OpenStudy (bloomlocke367):
Okay, first just think of how YOU would solve it... what would you do that's correct and compare it to what he did.
OpenStudy (brooke2353):
He should have divided both sides by −7.
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OpenStudy (r_josh10):
I REALLY NEED HELP WITH A QUESTION, I HAVE IT OPEN BUT EVERYBODY SEEMS TO BE IGNORING ME SO CAN SOMEONE PLEASE HELP ME?!?!?!?!?!?!?!??!??!?!?
OpenStudy (bloomlocke367):
I'll try @r_josh10 and @brooke2353 no direct answers.
OpenStudy (brooke2353):
okay josh
OpenStudy (brooke2353):
okay my bad
OpenStudy (trojanpoem):
Bro, it's negative 23/7
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OpenStudy (trojanpoem):
Step 3: He should have divided both sides by −7.
OpenStudy (anonymous):
thanks
OpenStudy (bloomlocke367):
No direct answers @TrojanPoem
OpenStudy (brooke2353):
thats what i said first tho
OpenStudy (trojanpoem):
No comment. He just didn't notice the (-)
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