find the value if X equal to 3 10 - 3 b - 4 - 5
Answers
Answered by
0
Answer:
(i) x=3,a=−1,b=−2
3x−5−x+9
⇒(3x−x)−5+9
⇒2x+4
⇒2(x+2)
⇒2(3+2)
⇒10.
(ii) 2−8x+4x+4.
⇒(2+4)−8x+4x
⇒6−4x
⇒6−4(3)
⇒6−12
⇒−6.
(iii) 3a+5−8a+1
⇒(3a−8a)+(5+1)
⇒−5a+6
⇒−5(−1)+6
⇒11.
(iv) 10−3b−4−5b
⇒(10−4)−(3b+5b)
⇒6−8b
⇒6−8(−2)
⇒22.
Similar questions