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allsm [11]
3 years ago
9

I need help with this problem

Mathematics
2 answers:
AlladinOne [14]3 years ago
4 0

Answer:

x = 9

Step-by-step explanation:

(4x+6)+(7x+15)=120

(4(9)+6)+(7(9)+15)=120

(36+6) + (63+15)=120

(42)+(78)=120

x = 9

JL = 42

KL = 78

shtirl [24]3 years ago
3 0

Answer:

x = 9 , jk = 42 , kl= 78

Step-by-step explanation:

Explained in the paper.

Goodluck

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