Question

please answer this please i will mark as brainlist. please answer​

Answer 1

Answer:

-8+(-1)=-8-1=-9

-12+(+1)=-12+1=-11

5+(-3)=5-3=2

-32+(+32)=-32+32=0

1/-5

(-18)×(-10)×(+9)=180×(-9)=-1620

-1400

+120

LET LAKSHMI'S AGE BE X

SO LAKSHMI'S FATHER AGE=49 YEARS

SO,3X+4=49 YEARS

3X=45 YEARS

X=15 YEARS

SO, LAKSHMI'S AGE IS 15 YEARS

LET PARMIT HAS X MARBLES

IRFAN HAS = 37 MARBLES

SO,5X+7=37

X=6

SO,PARMIT HAS 6 MARBLES

1.P=100/10=10

2.10P=90

P=9

3.-P=15

P=-15

4.2Q=6

Q=3

5.S=-9/3=-3

6.3P=24

P=24/3=8

LET THE LOWEST MARKS BE X

SO HIGHEST MARKS =87

2X+7=87

2X=80

X=40

SO,LOWEST MARKS IS 40

LET THE NUMBER OF FRUIT TREES BE X

NUMBER OF NON FRUIT TREES=77

SO,

3X+2=77

3X=75

x=15

NUMBER OF FRUIT TREES IS 15

Step-by-step explanation:

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