5 Find two numbers such that the sum of twice the first and thrice the
second is 92, and four times the first exceeds seven times the second
by 2.
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Answered by
1
Answer:
2 and six so it is help you same
Step-by-step explanation:
plz
Answered by
1
Let x and y be the two numbers.
2x + 3y = 92. -----eqn i
4x = 7y + 2
4x - 7y = 2. -----eqn ii
4 * eqn (i):
8x + 12y = 368. ---- eqn iii
2 * eqn (ii):
8x - 14y = 4. ---eqn iv
eqn (iii) - eqn (iv):
26y = 364
y = 364/26
= 14
Substituting in eqn (ii):
4x - 7(14) = 2
4x - 98 = 2
4x = 2 + 98
= 100
x = 100/4
= 25
Therefore, the numbers are:
x = 25 and y = 14
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