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ations given below: Equation A: x + z = 6 Equation B: 5x + 7z = 1 Which of these is a possible step used in eliminating the z-term? Multiply equation A by 5. Multiply equation B by 5. Multiply equation A by –7. Multiply equation B by 7. Question 17 (Multiple Choice Worth 1 points) (08.03 MC) Two equations are given below: a – 4b = 10 a = b – 2 What is the solution to the set of equations in the form (a, b)? (–5, –3) (–6, –4) (–4, –2) (–8, –6) Question 18 (Multiple Choice Worth 1 points) (08.02 LC) Which description best describes the solution to the following system of equations? y = –2x + 8 y = –x + 5 Line y = –2x + 8 intersects the origin. Lines y = –2x + 8 and y = –x + 5 intersect the x-axis. Lines y = –2x + 8 and y = –x + 5 intersect the y-axis. Line y = –2x + 8 intersects the line y = –x + 5. Question 19 (Multiple Choice Worth 1 points) (08.03 LC) A set of equations is given below: Equation C: y = 3x + 7 Equation D: y = 3x + 2 Which of the following best describes the number of solutions to the given set of equations? One solution Two solutions Many solutions No solution
for the first one C -7x + 7x = 0
thanks so much ahhh <3
2nd one (-6,-4)
3rd one Line y = –2x + 8 intersects the line y = –x + 5.
4th one no solution because the lines are parallel and never intersect
that's it ?
omggg ilysmmm hahahaaa
i promise last one for today.. im sorry
Rachel is 11 years older than Scott. Rachel's age is 7 years less than two times Scott's age. The system below models the relationship between Rachel's age (r) and Scott's age (s): r = s + 11 r = 2s – 7 Which is the correct method to find Rachel's and Scott's ages? Solve r + 11 = 2r – 7 to find the value of s. Solve s + 11 = 2s – 7 to find the value of s. Write the points where the graphs of the equations intersect the x-axis. Write the points where the graphs of the equations intersect the y-axis.
Solve s + 11 = 2s – 7 to find the value of s.
yayy your the best