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Continue Learning about Algebra
What is an eqation?
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Where are algebraic identities used in daily life?
Algebraic identities are used in doing calculations in our daily life.These are very important for us.With the help of these we can solve any type of eqation very easily.
How do you solve systems of equations using substitution in pre-algebra?
cant explain it but i can give you an example: equation 1: 14x+2y=20 equation 2: 5x-y=8 First step is to get on of the varibles to cancel out so leave the first eqation alone put change the second in this problem so: 5x-y=8 becomes 2(5x-y=8) which equals 10x-2y=16 the next step is to subtract them like this: 14x+2y=20 10x-2y=16 the +2y and the -2y cancel out so the answer then would be 4x=4 which means 1=x then you plug the answer 1 in for x into on of the equations to find y so: 5(1)-y=8 = 5-y=8 =-y=3 =y=-3 so the system answer is (1,-3)
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