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2 years ago

!!help!! pls :((( im so confused pls help

Mathematics

2 answers:

Andrej [43]2 years ago

7 0

I only know the first one with the method Emmanuel is doing sorry ;(

at least there's a guide in this image

SVEN [57.7K]2 years ago

5 0

Step-by-step explanation:

for some reason the equation at the top says 7(x+2) but both of the equations at the bottom say 7(x-2)... I'm just going to do 7(x-2)

Emmanuels Work:

7(x-2)=91

distribute the 7 by multiplying both x and -2 by it

7x-14=91

add 14 to both sides

7x=105

divide both sides by 7

x=15

Mauricio's Work:

7(x-2)=91

to get rid of the 7 multiplication, divide both sides by 7

x-2=13

add 2 to both sides

x=15

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