write a linear equation for the statement,"Twice a number decreased by 7 gives 69"Also,find one solution.How many solution does the equation have?
Answers
Answered by
18
Let the number be 'x'
Then Acc.to ques
2x-7=69.
=>2x=76
=>x=38.
Only one unique is possible for this linear equation.
Then Acc.to ques
2x-7=69.
=>2x=76
=>x=38.
Only one unique is possible for this linear equation.
Answered by
5
Answer:
one variable : only one definite answer
2x-7 = 69
2x = 76
x = 38
two variables : infinite answers
2x+7 = 69
2x - 0y -7 = 69
Similar questions