Exercise 8.2
(a) -10+x+4-5=7x-5
1 Solve the following equations and verify the answers.
(d) 2(2x - 5) = 6x + 4
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(a) x=1 and (b) x = -7
Step-by-step explanation:
(a) x+4-5 = 7x -5+10
x-1=7x+5
7x-x=5+1
6x=6
x=6/6
x= 1 Ans
(d) 4x-10= 6x +4
4x -6x = 4+10
-2x = 14
-x = 14/2
-x = 7
By multiply both by -1 we get
-x ×-1 = 7×-1
x = -7 Ans
Hope this will help you
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