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4 votes
How do you use substitution to solve

y=12

2x-y=4

User Babacar
by
7.9k points

1 Answer

7 votes

y = 12.

Put the value of y to the equation 2x - y = 4:

2x - 12 = 4 add 12 to both sides

2x = 16 divide both sides by 2

x = 8

Answer: x = 8 and y = 12

User Shredator
by
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