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Maths Puzzle
Numerical Ability
How do you solve for linear equations with this problem: 4x+3y=5
-3x-6y=0
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In the exercises 23 it said to solve the given linear equation and check your answer. will I must be doing everthing wrong for I cant get the right answer.
can you help me -4(2x+1)-(x-2)=-11
I need to know how to graph
x+y=4
x+y=9
and i also need to know how many solutions it has.
can you help me please? thanks a lot!