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crimeas [40]
3 years ago
12

If 3x = y-5 and x = -4, then y=

Mathematics
2 answers:
sveta [45]3 years ago
6 0
3( -4 ) = y - 5
-12 = y - 5
y = -7
Mekhanik [1.2K]3 years ago
3 0

3x=y-5\ \ \ \ |+5\\3x+5=y\to y=3x+5\\\\\text{substitute the value of x to the expression}\\\\y=3(-4)+5=-12+5=-7

Answer: y = -7.

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