Q1. [2] Expand the parentheses: 10(9N + -9)

Q2. [3] Expand the parentheses: 7(-5R + 6P+11)

Q3. [4] Find N in terms of P: -120P = 12N + 48

Q4. [10] Solve the equations for H and K: ① 2H = K + 10 ② K = 3H+-21

Q5. [4] Solve the equation for A: ① A = -3(4H+1) ② H=1

Q6. [10] Solve the equations for K and M: ① 5K = M + 5 ② M = 10K+-50

Q7. [14] Solve the equations for F and M: ① 2F = 4M + 16 ② M = 6F+-70

Q8. [4] Find N in terms of M: 11N + -44 = 11M

Q9. [6] Find E in terms of R: -6E + 42 = -36(-6R + -6)

Q10. [4] Solve the equation for Y: 30Y - 16 = 704

Q11. [6] Solve the equation for M: 18M + 137 = 8M + 317

Q12. [4] Solve the equation for Y: 21Y + 23 = 485

Q13. [5] Find E in terms of M: 44M + -132 = -11E + 66

Q14. [5] Find F in terms of E: 36E + 9 = -3F + 30

Q15. [2] Expand the parentheses: 8(6Q + -3)

Q16. [4] Solve the equation for Q: 4Q = -32

Q17. [5] Find Q in terms of P: -12Q + -24 = 36P + 12

Q18. [4] Find Q in terms of P: 49P + 77 = -7Q

Q19. [14] Solve the equations for Q and R: ① 5Q = -6R + -42 ② R = 4Q+-7

Q20. [3] Solve the equation for E: ① E = 3M+4 ② M=-2