Mathematics

Mathematics, 28.06.2019 19:30, jlong2043

Need ,with the step, equation really don’t understand

Need ,with the step, equation really don’t understand

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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, 09.07.2019 12:00, summerhumphries3

Brainiest and you will get 10 points! what is the value of p in the equation 4p + 3(p + 4) = 12p + 12? 12, 1, 0, -1. which of these is a simplified form of the equation 7x + 4 = 5 + 3x + 1x? 3x = 9, 3x = 1 , 11x = 9, 11x = 1 what is the value of z in the equation 3z + 5 = 4z − 8? 13, 1, -13, -1 the work of a student trying to solve the equation 3(4x − 2) = 9 + 2x + 5 is shown below: step 1: 3(4x − 2) = 9 + 2x + 5 step 2: 12x − 2 = 14 + 2x step 3: 12x − 2x = 14 + 2 step 4: 10x = 16 step 5: x = 1.6 in which step did the student first make an error and what is the correct step? step 2: 12x − 2 = 4 + 2x step 2: 12x − 6 = 14 + 2x step 3: 12x + 2x = 14 + 2 step 3: 12x − 2x = 14 − 2

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Mathematics, 30.08.2019 01:30, bigmouth804

The work of a student to solve a set of equations is shown: equation a: y = 15 – 2z equation b: 3y = 3 – 4z step 1: –3(y) = –3(15 – 2z) [equation a is multiplied by –3.] 3y = 3 – 4z [equation b] step 2: –3y = 15 – 2z [equation a in step 1 is simplified.] 3y = 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? (5 points) step 4 step 3 step 2 step 1

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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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