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denpristay [2]
4 years ago
5

Two equations are given below:

Mathematics
2 answers:
Alex4 years ago
8 0
Solving by elimination I got rid of the a first by multiplying top by -1.
So I ended up with b being -3.......so the last one must be the answer
Klio2033 [76]4 years ago
7 0
First, you want all the variables to be on one side:
a - 3b = 4
a - b = -2

Now you want to eliminate one of the variables, in this case a is easiest.

Subtract the second equation from the first and you're left with:
-2b = 6
so b = -3

Sub the value of b back into either of the equations and solve for x:
a - (-3) = -2
a = -5

So your answer is (-5,-3)
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What is the value of x when y=6
kow [346]

Answer:

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Step-by-step explanation:

If

y

∝

x

we can write that

y

=

k

⋅

x

where k is a constant of proportionality.

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