Question

the sum of two number is 90 and the greater exceeds twice the smaller number by 15 find the number​

Answer 1

Answer:

25

Step-by-step explanation:

LET X BE SMALLER NUMBER AND Y BE GREATER NUMBER

GIVEN 2X + 15 = Y  (1 )

ALSO X+ Y = 90 ( 2 )

SOLVING THE TWO LINEAR EQUATIONS

SUBSTITUTE 1 IN 2

= X+ 2X + 15 = 90

3X + 15 = 90

3X = 75

X = 75/3

X= 25

THE NUMBER IS 25

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