Theresa C. answered • 09/22/20
Tutor
5.0
(123)
Experienced Science & Math Tutor for High School and Middle School
7n + 12 = -23 Get n by itself by undoing what is being done to it. Use reverse PEMDAS
7n + 12 - 12 = -23 - 12 Always do the same exact thing to both sides (subtract 12 on this problem)
7n = -35 now divide by 7 to move it over
7/7 n = -35/7
1n = -5 or n = -5
