arunkumar399 arunkumar399
  • 25-01-2021
  • Mathematics
contestada

a) s+9=4
b) x-7=3
c) m-8=1
d) n-10=20
pls help

Respuesta :

mrfries77 mrfries77
  • 25-01-2021

Answer:

a)

s = 4 - 9

s = -5

b)

x = 3 + 7

x = 10

c)

m =1 +8

m = 9

d)

n = 20 + 10

n = 30

Step-by-step explanation:

You want the variable on one side of the equation to solve.

So we move the numbers on the left side to the right, when you do this you use the opposite operator. Addition and subtraction are opposite operators.

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