saraaneedsshelpp saraaneedsshelpp

30-01-2021
Mathematics

contestada

meow help me pls :(((

meow help me pls class=

Respuesta :

icerina006 icerina006

30-01-2021

Answer:

a) 3x-5=16

b) 30cm

Step-by-step explanation:

a) 5(x-1)=2(x+8)

5x-5=2x+16

5x-2x-5=16

3x-5=16

b) solving the equation gives x=7

put x=7 into first line, 5(7-1)=30cm

to check we can place it into second one as well

2(7+8)=30cm

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