40x-8y=32 Y=5x+4 Solve by the substitution method Solution 8y =32 => y= 4 susbst

Question

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                40x-8y=32

Y=5x+4

Solve by the substitution method

Explanation / Answer

8y =32 => y= 4

susbstituting in second equation, we get,

x =( y-4)/5 = 0

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