1.

(i) m + 6 = 2m - 4(ii) 3y - 4 = 2y + 2(iii) 5b + 9 = 2b + 3(iv) 3X-7 = 2x + 1(v) 5(n + 2) = 7n + 4

Answer»

M=10Y=6B= - 3X=8N=3 is correct answer for all questions

1)m+6=2m-4 6+4=2m-mm=102) 3y-4=2y+23y-2y=2+4y=6

(i) 10(ii) 6(iii) -2(iv) 8(v) 3

i) m=10ii)y= 6iii)b=-2Iv)X=8v)n=10

1. m=102. y=63. b=-24. x= 85. n=3is the correct answer me to

1)m+6=2m-46+4=2m-m10=m

(1) m + 6 = 2m - 4 2m - m = 6 + 4 m = 10

(2) 3y - 4 = 2y + 2 3y - 2y = 2 + 4 y = 6

(3) 5b + 9 = 2b + 3 5b - 2b = 3 - 9 3b = -6 b = -6/3 b = -2

5)5(n+2)=7n+45n+10=7n+45n-7n=4-10-2n=-6n=3

n=3 is the right answer

(i) m+6=2m-4 =6+4=2m-m =10=m =m= 10

1. m=102. y= 63. b= -24. X= 85. n= 3

(i) m + 6 = 2m - 4 4 + 6 = 2m - m 10 = m(ii) 3y - 4 = 2y + 2 3y - 2y = 2 + 4 y = 6(iii) 5b + 9 = 2b + 3 5b - 2b = 3 - 9 3b = -6 b = -6 ÷ 3 b = -2(iv) 3x - 7 = 2x + 1 3x - 2x = 1 + 7 x = 8(v) 5(n + 2) = 7n + 4(5 × n) + (5 × 2) = 7n + 4 5n + 10 = 7n + 4 10 - 4 = 7n - 5n 6 = 2n 6 ÷ 2 = n3 = n

m=10y=6b=-2x=8n=3

(1) m-2m= -4-6 -m= -10 m=10(2) 3y-2y= 2+4 y=6(3) 5b-2b= 3-9 b=-6(4) 3x-2x= 1+7 x=8(5) 5n+10= 7n+4 5n-7n= 4-10 -2n= -6 n= -6/-2 n= 3

(I)m+6=2m-4 6+4=2m-mm=10(ii)3y-2y=2+4y=6(iii)5b-2b=3-93b=-6b=-2(iv)3x-2x=1+7x=8(v)5n+10=7n+410-4=7n-5n6=2nn=3

m=10y=6b=–6x=8n=3 is the best answer



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