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can someone help me with this problem? Thank you!

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x = 11

2x = 13 + 9

2x = 22 |: 2

x = 11
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Let's solve for x ~

$$\qquad \sf \dashrightarrow \: 2x - 13 = 9$$

$$\qquad \sf \dashrightarrow \: 2x = 9 +13$$

$$\qquad \sf \dashrightarrow \: 2x = 22$$

$$\qquad \sf \dashrightarrow \: x = 22 \div 2$$

$$\qquad \sf \dashrightarrow \: x = 11$$
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