Answers
>
Maths
>
GCSE
>
Article
a). Solve x-4=13, b). solve 7y=35 c). solve 3w-9=27
a). x-4=13
13+4=17
x=17
b). 7y=35
35/7=5
y=5
c). 3w-9=27
3w=27+9
3w=36
w=36/3
w=12
JM
Answered by
Joe M.
•
Maths tutor
3572 Views
See similar Maths GCSE tutors
Related Maths GCSE answers
All answers ▸
How can I solve quadratic equations by completing the square?
Solve for x the equation 1/(3x-6) +2/(x-2) =5
What is the best way to revise in preparation for GCSE maths.
Emma wants to buy a radio, the full price is £80. In the shop, she is given a discount. A year later, she sells the radio for £78, giving her a profit of 30% of what she bought it for the year before. What discount did she receive? (4)