Question

Find the value of x in the following ​

Answer 1

Question:

To find the value of x

Property Used:

Sum of angles on a straight line are 180°

Solution:

$x+(4x+10)+5x=180^\circ\\\\\\x+4x+10+5x=180^\circ\\\\\\x+4x+5x+10=180^\circ\\\\\\10x+10=180^\circ\\\\\\10x=180-10\\\\\\10x=170^\circ\\\\\\x=\frac{170}{10}\\\\\\x=17$

$\to x=17\\\\\\\to 4x+10\\\\=4(17)+10\\\\=68+10\\\\=78\\\\\\\to5x\\\\=5(17)\\\\=85$

Answer :

Therefore,

• x = 17

• 4x + 10 = 78

• 5x= 85

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