Question

x + 7- _ = 2 - _
x = -5
x + 4 - _ = 5 - _
x = 1

Answer 1

Respuesta:

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Explicación paso a paso:

Answer 2

Respuesta:

4+10×8 = 4+80 = 84

7(4+2) = 7×6 = 42

13-5×2 = 13-10 = 3

10×4-2×3 = 40-6 = 34

(5+2)(71+1) = 7×72 = 504

5+(2×7)+1 = 5+14+1 = 20

(5×2)+(7×1) = 10+7 = 17

5+2×7+1 = 5+14+1 = 20

23-7×2+4 = 23-14+4 = 13

5-7×2+4 = 5-14+4 = -5

2(5-4)+(7×3)+5(1+4) = 2×1+21+5×5 = 2+21+25 = 48

5+(20-4×3)-1 =5+20-12-1 = 12

Explicación paso a paso: