Mathematics

Mathematics, 18.10.2019 08:50, justinhudson17

Aset of equations is given below:

equation a: a = 5b + 1
equation b: a = 3b + 5

which of the following is a step that can be used to find the solution to the set of equations? (5 points)

5b + 1= 3b
5b = 3b + 5
5b + 1 = 3b + 5
5b + 5 = 3b + 1

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Answers: 3

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Mathematics, 27.06.2019 07:00, tiffanibell71

Check this the work of a student to solve a set of equations is shown: equation a: y = 15 − 2z equation b: 2y = 3 − 4z step 1: −2(y) = −2(15 − 2z) [equation a is multiplied by −2.] 2y = 3 − 4z [equation b] step 2: −2y = 15 − 2z [equation a in step 1 is simplified.] 2y = 3 − 4z [equation b] step 3: 0 = 18 − 6z [equations in step 2 are added.] step 4: 6z = 18 step 5: z = 3 in which step did the student first make an error? step1 step 2 step 3 < < < < < step 4

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Mathematics, 01.10.2019 20:30, staxeeyy767

Can someone me, this is my last question i have been stuck on it for 30 min the work of a student to solve a set of equations is shown: equation a: y = 15 − 2z equation b: 2y = 3 − 4z step 1: −2(y) = −2(15 − 2z) [equation a is multiplied by −2.] 2y = 3 − 4z [equation b] step 2: −2y = 15 − 2z [equation a in step 1 is simplified.] 2y = 3 − 4z [equation b] step 3: 0 = 18 − 6z [equations in step 2 are added.] step 4: 6z = 18 step 5: z = 3 in which step did the student first make an error? step1 step 2 step 3 step 4

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Mathematics, 20.10.2019 16:30, taylorpayne525p8qxky

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