Question

WORKSHEET - 4 ਸਰਲ ਸਮੀਕਰਨ (Simple Equations) 1. ਜਮਾਤ ਸੱਤਵੀਂ ਹੇਠਾਂ ਲਿਖੀਆਂ ਸਮੀਕਰਣਾਂ ਨੂੰ ਹੱਲ ਕਰੋ। Solve the following equations. (i) x + 5 =9 (ii) x-5 = 9 (iii) x +5=-9 (iv) x-5=-9 (v) -x +5=9 (vi) -x-5 = 9 (vii) 31 = 42 (vii) 4x = 20 (ix) 10 p = 100 (x) 38 = -12 (xi) 3x = 0 (xii) 20t​

Answer 1

(i) x+5=9

Ans- x+5=9 or x= 9-5 or x=4

Hence, 4 +5=9

(ii) x-5=9

Ans- x-5=9 or x= 9+5 or x=14

Hence, 14 -5=9

(iii) x+5= -9

Ans- x+5= -9 or x= -9-5 or x= -14

Hence, -14 +5= -9

(iv) x-5= -9

Ans- x-5= -9 or x= -9+5 or x= -4

Hence, -4-5= -9

(v) -x+5=9

Ans- -x+5=9 or -x= 9-5 or -x= 4 or x= -4

Hence, -4+5=9

(vi) -x-5=9

Ans- -x-5=9 or -x= 9+5 or -x= 14 or x= -14

Hence, -14-5= 9

(vii) 31=42

(viii) 4x=20

Ans- 4x=20 or x= 20÷4 or x= 5

Hence 4(5)=20

(ix) 10p=100

Ans, 10p=100 or p= 100÷10 or p= 10

Hence, 10(10)=100

(x) 38= -12

(xi) 3x=0

Ans- 3x=0 or x= 3×0 or x= 0

Hence, 3(0)=0

(xii) 20t

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