A) -7 - 13 =
d) -25 – 15 =
g) 19 - 12 =
j) 12 - -24 =

a) -20

d) - 40

g) 7

j) 36 (minus minus equals plus)

Step-by-step explanation:

a) -7 - 13 =  - 20

d) -25 – 15 =  -40

g) 19 - 12 =  7

j) 12 - -24 = 12 + 24 = 36    { - * - = +}

step-by-step explanation:

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