Question

k) 5(2m+6)=4(5+2m)+3m

w) y+4(2y+1)=8+2y-1

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Answer 1

Respuesta:

k) 5(2m+6)=4(5+2m)+3m

10m+30=20+8m+3m

10m-8m-3m=20-30

-m=-10

m=10

w) y+4(2y+1)=8+2y-1

y+8y+4=8+2y-1

y+8y-2y=8-1-4

7y=3

y=3/7