3 years ago

Help fast plz plz Nsnsbsbsn

Mathematics

2 answers:

Darya [45]3 years ago

8 0

Answer:

Step-by-step explanation:

AC is the same as AB + AC so then you create an expression and find x. I put the working on a photo

ValentinkaMS [17]3 years ago

4 0

Answer:

Step-by-step explanation:

solve for x first

4x+6+7x+15=120

11x+21=120

120-21=99

11x=99

x=9

plug in 9 for Ab equation

4x+6

4(9)+6=42.

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