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1. Simplify the expression 14xy+3y+7x-4xy-8y-2x
2. Simplify the expression 15xyz-18xyz+4xyz
3. Simplify the expression abc+20a²b-6ac+5abc-7a²b+20ac+3bc+4ab²
4. A boy is 4 years older than his sister.If his sister is ‘x’ years old now, what is the boy’s age?
5. If there are 46 students in a class of which ‘g’ of them are girls, write an expression for the number of boys in the class.
6. Simplify the expression 11ab+3b+6a-9ab-7b-4a
7. Simplify the expression 15mnp-18mnp+4mnp
8. Simplify the expression xyz+14x²y-4xz+10xyz-8x²y+12xz+5yz+6xy²
9. A boy is 5 years older than his sister.If his sister is ‘3’ years old now, what is the boy’s age?
10 Simplify the expression 5xyz – 14xy+18xyz+4xyz – 7xy
11. Simplify the expression 11abc+5ab+6ab-23abc-7ab-4ab
12. Simplify the expression 25mnp-18mnp-13mn+4mnp+12mn
13. Simplify the expression 24xy-13y+7x-8xy-8y-2x
14. Simplify the expression 15abc-9ab+5ab-12abc-7ab-7ab