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 s

Question

2 years ago

9

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 s

hown 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.

Mathematics

1 answer:

anygoal [31] · Answer 1 · 2023-08-01T19:23:24+03:00

anygoal [31]2 years ago

3 0

Answer: Add the equations to eliminate k

Step-by-step explanation:

Adding the equations, you get 2b=18, which you can solve for b. Afterward, you can substitute this value of b back into either equation to solve for k.