11 A If a = 7 and b = –3 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com a+b FIND ANSWER –3 B If a = 11 and b = –7 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com a–b FIND ANSWER 4 C If a = –7 and b = –2 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 3a FIND ANSWER 19 D If a = 9 and b = –6 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 6b FIND ANSWER 27 E If a = 8 and b = –3 What is the value of 2 SUBSTITUTION 2 © 2017 Maths4Everyone.com a FIND ANSWER –1 F If a = 9 and b = –6 What is the value of 2 SUBSTITUTION 2 © 2017 Maths4Everyone.com b FIND ANSWER –36 G If a = 9 and b = –6 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 2a + b FIND ANSWER 36 H If a = 9 and b = –6 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com a + 2b FIND ANSWER –21 I If a = 8 and b = –3 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 3a + b FIND ANSWER 18 J If a = 8 and b = –3 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 2a – b FIND ANSWER 26 K If a = 6 and b = –9 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 3a – b FIND ANSWER 29 L If a = 8 and b = –3 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 3a – 2b FIND ANSWER 64 M If a = 7 and b = –5 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 2a + 3b FIND ANSWER 21 N If a = 7 and b = –5 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 3a – b FIND ANSWER 30 O If a = 7 and b = –5 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 3a + 2b FIND ANSWER 12 P If a = 5 and b = –7 What is the value of SUBSTITUTION 2 © 2017 Maths4Everyone.com 3a – 2b FIND ANSWER