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Stella [2.4K]
1 year ago
9

Write down the solution to the simultaneous equations.

Mathematics
1 answer:
julia-pushkina [17]1 year ago
4 0

Answer:

x = 5/2; y = 7

Step-by-step explanation:

2x + y = 12

y = 2x + 2

Use substitution to replace y in the first equation with 2x + 2.

2x + 2x + 2 = 12

4x + 2 = 12

4x = 10

x = 10/4

x = 5/2

y = 2x + 2

y = 2(5/2) + 2 = 5 + 2

y = 7

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