Question

Can you help me please ?

True or False ?
a. 11+ (x+y) = 11 + x+ y
b. 7- (2x-3t)= 7-2x+3y
c. 2 (x + 4)= 2x +4
d. 5+7x=12x
e. -5 (x+9) = -5x-45​

Answer 1

Explanation:

a. 11 + x + y = 11 + x + y. True

b. 7 - 2x + 3y = 7 - 2x + 3y. True

c. 2x + 8 = 2x + 4. False

d. -5x - 45 = -5x - 45. True