3 years ago

WHATS THE ANSWER PLEASE

Mathematics

1 answer:

andrew-mc [135]3 years ago

7 0

Answer:

DF=13

Step-by-step explanation:

DE+EF=DF

2x+3+4=3x+4

2x+7=3x+4

7-4=3x-2x

x=3

DF=3x+4

DF=3(3)+4

DF=13

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