Question

simplify the expression and find the value if x is equal to 2 and Y = 1 . 4[x+y]+7y+4x-3=4

Answer 1

Answer:

= 4(x+y) + 7y + 4x - 3 = 4

= 4(2+1) + 7*1 + 4*2 - 3 = 4

= 4*3 + 7 + 8 - 3 = 4

= 12 + 7 + 8 - 3 = 4

= 19 + 8 - 3 = 4

= 27 - 3 = 4

= 24 = 4

= 24 - 4

= 20

Step-by-step explanation:

Hope it helps.

Answer 2

Step-by-step explanation:

Get the algebraicexpressions in the following cases using variables, constants and arithmetic operations.

(i) Subtraction of z from y.

(ii) One-half of the sum of numbers x and y.

(iii) The number z multiplied by itself.

(iv) One-fourth of the product of numbers p and q.

(v) Numbers x and y both squared and added.

(vi) Number 5 added to three times the product of number m and n.

(vii) Product of numbers y and z subtracted from 10.

(viii)Sum of numbers a and b subtracted from their product.

ANSWER:

(i) y − z

(ii)

(iii) z2

(iv)

(v) x2 + y2

(vi) 5 + 3 (mn)

(vii) 10 − yz

(viii) ab − (a + b)