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struggling

Questions (4)

My problem is multiply4xy3 - 2x2y - 5xy2 I worked it out like this 4*2*5 =40 x*x*x= x3 x³ *y*y² =y^6 answer is 40x³ y^6 Is
1. 0 answers
2. 548 views
Solve the system by addition or substitution.16x-4y=20 y=4x-4 I ask for help with this and forgot to add the problem. can anyone
1. 1 answer
2. 1,367 views
Solve the system by addition or substitution.
1. 0 answers
2. 459 views
can anyone tell me how to do this i am so lost.The sum of two numbers is 37. Their difference is 7. What are the two numbers? x
1. 0 answers
2. 435 views