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Tema [17]
4 years ago
13

Can someone please help me with this ​

Mathematics
2 answers:
Veronika [31]4 years ago
8 0

answer:

b= 10x i pretty sure

Step-by-step explanation:

Mademuasel [1]4 years ago
7 0

Answer:

m<B=74°

Step-by-step explanation:

3x-23+2x-12=180

5x-35=180

5x=180+35

5x=215

x=215÷5

x=43

m<B=2x-12=2(43)-12=86-12=74

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