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vagabundo [1.1K]
3 years ago
8

Which is a correct first step for solving this equation?

Mathematics
2 answers:
Jlenok [28]3 years ago
7 0

Answer: Student made an error in step 2. Correct step is 9x - 12 = 13 + 2x.

yarga [219]3 years ago
6 0

Answer:

-3x + 2 - 5x - 7 = 4x + 2

-8x - 5 = 4x + 2

Step-by-step explanation:

iMagine maTh

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Find 3rd and 5th form by using nth term formula tn=a+(n-1)d when tn=a+(n-1)d when a=2 and d=3.​
lawyer [7]

Answer:

t3 = 8, t5 = 14

Step-by-step explanation:

t3 = 2 + (3-1) × 3

t3 = 2 + (2) × 3

t3 = 2 + 6

t3 = 8

t5 = 2 + (5-1) × 3

t5 = 2 + (4) × 3

t5 = 2 + 12

t5 = 14

8 0
3 years ago
Subtract and simplify 1/2-1/3
frez [133]
It’s gonna be 1/6 for this question!
4 0
3 years ago
Read 2 more answers
Solve the system of equations
Brums [2.3K]
5x+4y = 73
-4x + 4y = -8

5x + 4y -(-4x+4y) = 73 -(-8)
5x + 4y + 4x - 4y = 81
5x + 4x + 4y - 4y = 81
9x = 81
x = 81÷9
x = 9

Substitute x = 9 into any of the equations to find y.

5(9) + 4y = 73
45 + 4y = 73
4y = 73 - 45
4y = 28
y = 28÷4
y=7

Answers :
x = 9
y = 7
8 0
3 years ago
Read 2 more answers
6а + 9 = 33<br> Need to solve
liq [111]

Answer: a=4

Step-by-step explanation:

6a+9=33

Subtract

6a=24

Divide

a=4

7 0
2 years ago
Read 2 more answers
I’m not sure how to do this.. can anyone help?
Pie

Answer:

m<1 =95

m<2 = 130

Step-by-step explanation:

I take it you want the size of <1 and <2?

<ABC + 95 = 180       Same straight line.

<ABC = 180 - 95        Subtract 95 from both sides.

<ABC = 85                  Combine

===========================

<1 + <ABC = 180          Interior angles on the same side of the transversal = 180

<1 + 85 = 180

<1  = 180 - 85

<1 = 95

=============================

Givens

<ABC = 85

m< 1  = 95

<ADC = 50  Given

m<2 = ?

m<2 + <ABC + m<1 + 50 = 360     The four angles of a quadrilateral add to 360

m<2 + 85  + 95 + 50 = 360      

m<2 + 230 = 360

m<2 = 360 - 230

m<2 = 130

5 0
3 years ago
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