Q19 Find the value of 2/7+4/5
Q18 multiply 6/13 by the reciproyal of -7/13 then values.
Q22 3x+4/2-6x= -2/5 find the value of x
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Q19. 2/7 + 4/5
= 10 + 28/35
= 38/35
Q18. 6/13 multiply by the reciprocal of -7/13
= 6/13 × -13/7
=-6/7
Q22. 3x+4/2 -6x = -2/5
= 3x +4 -12x/2 = -2/5
= -9x +4/2= -2/5
= -45x +20 = -4
= -45x = -24
= x = 24/45
x = 8/15
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