An unknown number b is 10 more than an unknown number k. The number b is also k less than 8. The equations to find k and b are shown below.

b=k+10

b=-k+8

Which is a correct step to find k and b?

O Write the points where the graphs of the equations intersect the x-axis.

O Write the points where the graphs of the equations intersect the y-axis.

O Add the equations to eliminate k.

O Multiply the equations to eliminate b.

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Answer:Add the equations to eliminate kStep-by-step explanation: