3 years ago

Solving by Substitution y=-2+1 2x-2y=4

2 answers:

7 0

2x-2(-2+1)=4
Distribute the -2 to the numbers in parantheses.
2x+4-2=4
Combine all numbers
2x+2=4
Subtract 2 from both sides
2x=2
Then divide by two
x=1

Alina [70]3 years ago

3 0

X = 1
and....
y = -1 + y = 3
I hope this helps! :)

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