solve and check by substitution if your answer is correct.
1. 2x - 9 = 11
Answers
Answered by
1
2x - 9= 11
=> 2x = 11+9
=> 2x= 20
=> x = 20/2
=> x= 10
Checking:
2x - 9
= (2 x 10) -9
= 20 - 9
= 11
So, the value of x will be 10 and the answer is checked and correct.
=> 2x = 11+9
=> 2x= 20
=> x = 20/2
=> x= 10
Checking:
2x - 9
= (2 x 10) -9
= 20 - 9
= 11
So, the value of x will be 10 and the answer is checked and correct.
Answered by
0
Answer:
2x - 9 = 11
=>2x = 11+9
=> 2x= 20
=>x=10
Check by substitution,
2x - 9
= (2*10)- 9
=20 - 9
=11 (Ans.)
Step-by-step explanation:
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