Question

In the following find the value of ​

Answer 1

Step-by-step explanation:

$3x + 10 + 2x - 40 = 180(linea \: pair)$

$5x - 30 = 180 \\ \\ 5x = 180 + 30 \\ 5x = 210 \\ x = 210 \div 5 \\ \\ x = 42$

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Answer 2

Step-by-step explanation:

Here,

(3x+10)+(2x-40)=180 (Straight angle)

3x+10+2x-40=180

5x-30=180

5x=180+30

5x=210

x=210/5

x=42

Hence, x=5

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