Question

following pairs of linear equations by the elimination method and substitution method: 3x+4y=10 and 2x-2y=2​

Answer 1

Answer:

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Multiply 2x - 2y = 2 into 2

4x - 4y = 4

3x + 4y = 10

7x = 14

x = 2

Therefore,

2(2) - 2y = 2

4-2 = 2y

2 = 2y

y = 1

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Step-by-step explanation: