Q1) $8x +7x$= [ $15x$]

Q1) $2w + 7x+2w-5x$ = [ $4w +2x$]

Q1) $13x^2 + 8y-6x^2-2y$ = [ $7x^2+6y$]

Q2) $8x +6x$= [ $14x$]

Q2) $8w + 2z+9w-7z$ = [ $17w -5z$]

Q2) $19x^2 + 11y-6x^2-6y$ = [ $13x^2+5y$]

Q3) $9x$ x $5y$ = [ $45xy$]

Q3) $5y + 5w+2y+2w$ = [ $7y +7w$]

Q3) $20z + 8y+5z-3y$ = [ $25z+5y$]

Q4) $2x +10x$= [ $12x$]

Q4) $4x + 6y+7x+6y$ = [ $11x +12y$]

Q4) $2xyz + 3y-4xyz-7y$ = [ $-2xyz-4y$]

Q5) $5x +5x$= [ $10x$]

Q5) $10y + 4z+4y-4z$ = [ $14y$]

Q5) $18x^2 + 16y+10x^2+10y$ = [ $28x^2+26y$]

Q6) $2x +6x$= [ $8x$]

Q6) $8x + 2w+6x-10w$ = [ $14x -8w$]

Q6) $17x^2 + 13y+10x^2-4y$ = [ $27x^2+9y$]

Q7) $5x +7x$= [ $12x$]

Q7) $10y + 9x+4y-9x$ = [ $14y$]

Q7) $2xy^2 + 15y-4xy^2-9y$ = [ $-2xy^2+6y$]

Q8) $9x +5x$= [ $14x$]

Q8) $2x + 6w+7x-2w$ = [ $9x +4w$]

Q8) $2x^2 + 16y+8x^2-4y$ = [ $10x^2+12y$]

Q9) $7w$ x $9x$ = [ $63wx$]

Q9) $4w + 6y+10w+5y$ = [ $14w +11y$]

Q9) $11y^2 + 12y-2y^2+6y$ = [ $9y^2+18y$]

Q10) $5x +2x$= [ $7x$]

Q10) $5z + 3w+5z-3w$ = [ $10z$]

Q10) $12ab + 17y-10ab+3y$ = [ $2ab+20y$]