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ELEN [110]
3 years ago
7

Brandon uses the steps below to solve the equation 15 x + 6 = 14 x + 5 using algebra tiles.

Mathematics
2 answers:
iris [78.8K]3 years ago
7 0
Brandon is not correct because he should have added 6 negative unit tiles to isolate the variable in step 2—— the answer would have been x=-1
Korolek [52]3 years ago
6 0

Answer:

x=-1

Step-by-step explanation:

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30 points.Please answer with explanation​
Bas_tet [7]

Answer:

m∠1 = 142

Step-by-step explanation:

38 + m∠1 = 180

m∠1 = 142

5 0
3 years ago
An equation __has one solution.<br><br> A: always<br> B:sometimes<br> C: never<br> Answer : B
umka2103 [35]

Answer:

yeah the answer IS B

Step-by-step explanation:

some equations have more than one solution

8 0
3 years ago
Solve the formula for the specific variable <br> Z=x-y/3<br> Y=____
defon

Answer:

-3(z-x) = y

Step-by-step explanation:

Z=x-y/3

Solve for y

Subtract x from each side

z-x = x- y/3 -x

z-x = -y/3

Multiply each side by -3

-3(z-x) = -y/3 * -3

-3(z-x) = y

7 0
2 years ago
The polynomial equation x3+x2=-9x-9 has complex roots +-3i . What is the other root? Use a graphing calculator and a system of e
tresset_1 [31]
If the equation has roots of +-3i. The equation would be,
                                (x + 3i)(x - 3i) 
which is equal to x^2 - (3i)^2 = x^2 + 3. 
Using division either by synthetic or long method,
                                (x^3 + x^2 + 9x + 9)/(x^2 + 3) 
is equal to,
                                        x + 1 or x = -1
Thus, the answer is the second choice. 
8 0
3 years ago
Read 2 more answers
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
Savatey [412]
I’m pretty sure it’s A
4 0
3 years ago
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