4 years ago

57 = -8x – 7 helpppppp

Mathematics

2 answers:

sergejj [24]4 years ago

8 0

Answer:

x = -8

Step-by-step explanation:

57 = -8x - 7

+7 +7

64 = -8x

64/-8

x = -8

Check:

57 = -8(-8) - 7

57 = 64 - 7

57 = 57

Elena L [17]4 years ago

3 0

57 = -8x - 7

Add 7 to both sides:

64 = -8x

Divide both sides by -8:

X = 64/-8

X = -8

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