3 years ago

Translate the expression

Mathematics

2 answers:

andrew-mc [135]3 years ago

6 0

Answer:

Translate the expression

NO answering with links !!!

1) ten subtracted from the product of a number and -3 is 29

2) the difference between a number and nine , divided by 4 , is -7

Bess [88]3 years ago

6 0

Answer:

1) ten subtracted from the product of a number and -3 is 29

x*(-3) - 10 = 29
-3x = 39
x = -13

2) the difference between a number and nine , divided by 4 , is -7

x - 9/4 = -7
x = 9/4 - 7
x = -19/4

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X = 3y - 6 2x - 4y = 8 Solve the system of equations using substitution.

Brut [27]

Hello

x = 3y - 6
2x - 4y = 8
We need to start by solving 3y - 6 for x
Substitute 3y -6 for x in 2x
2x - 4y = 8
2(3y - 6) - 4y = 8
2y - 12 = 8
2y = 8 + 12
2y = 20
Divide both sides by 2
2y/2 = 20/2
y = 10

Now, substitute 10 for y in x= 3y
x = 3y - 6
x = 3(10) - 6
x = 30 - 6
x= 24

Answer : x = 24 and y=10

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