Question

If a = 2, b = 3 find the value of the following algebraic exp
owing algebraic expressions.
2.
(a) 3a + 2b
(b) 2a - b
If x= -1, y = 2, z = - 3, find the value of-
(a) x + y + z
(b) 2x - 3y + 6z
If p = -3,= 0, r = 2, find the value of
(a) p + q +r+1
(b) 2pq + 3qr - Apr
3.
If z= -9, find the value of
2 + 6
5.
If a = 1, b = -2, c= -1, show that 7a + b + c = 2abc​

Answer 1

Answer:

a) 12 b)1 a)-2 b)-26.

Step-by-step explanation:

a) 3*2+2*3=6+6=12

b). 2*2-3=4-3=1

a)-1+2-3=-4+2=-2

b)(2*-1)-(3*2)+(6*-3). =-2-6-18. =-26

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