X=111
A 7 sided shape all the interior angles should add to 900 so if you add all the angles given you get 789 then subtract that from 900
Use Subtraction
1. Subtract
x+2y=7
3x-2y=-3
-------------
4x+0y=4 SIMPLIFY 4x=4
2. DIVIDE
4x=4
x=1
Substitute that into either of the original equations to get x=1, y=3
Answer:
1kg : 4kg
Step-by-step explanation:
You need to simplify the current equation
5 : 20
Divide both sides by 5
5/5 : 20/5
1 : 4
1kg : 4kg
Hope this helps!
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