Mathematics, 21.05.2021 20:50 jesser9

Emily is solving the following System of equations using Substitution: y=3x-4

y=2x+1

Her steps are shown below.

Part A

Click on the first step in which Emily made an error.

3x-4=2x+1

5x-4=1

5x=5

x=1

y=3(1)-4=3-4=-1

(1,-1)

Part B

Explain what Emily did wrong and then what she should have done to make sure it was the correct answer.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, lisaxo

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

Answers: 2

continue

Mathematics, 21.06.2019 21:00, xojade

The measure of angle 0 is 600 degrees

Answers: 1

continue

Mathematics, 21.06.2019 21:00, OceanClaws

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Answers: 1

continue

Mathematics, 21.06.2019 23:30, xandraeden32

Consider the first four terms of the sequence below. what is the 8th term of this sequence?

Answers: 1

continue

You know the right answer?

Emily is solving the following System of equations using Substitution: y=3x-4

y=2x+1