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Masja [62]
3 years ago
13

ANSWER ASAP MUST BE CORRECT

Mathematics
2 answers:
Murrr4er [49]3 years ago
8 0

Answer:

3x + 5x - 4 = 1

Step-by-step explanation:

Given the equation

3x + y = 1

We must substitute the following equation:

y + 4 = 5x

So first we'll isolate y from the second equation so that then we can substitute its solution in the first equation:

y + 4 - 4 = 5x - 4

y = 5x - 4

Now we can substitute y in the first equation:

3x + y = 1

3x + 5x - 4 = 1

Galina-37 [17]3 years ago
3 0
Solve the second equation for y so that you can substitute it in for y in the first equation..

y = 5x - 4

Substitute:

3x + (5x - 4) = 1


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Evaluate the following expression 3(7 -5) + 8(9 +2)
katen-ka-za [31]

Answer:

The answer to your expression is 94.

Step-by-step explanation:

Given Expression -> 3 ( 7 - 5 ) + 8 ( 9 + 2 )

Order of Operations Parenthesis -> 3 ( 2 ) + 8 ( 11 )

Multiplcation Left to Right -> 6 + 8 ( 11 )

Multiplcation Left to Right -> 6 + 88

Addition -> 94


8 0
3 years ago
HELP ME PLEASE, I DON'T KNOW WHAT TO DO...........
Romashka [77]
<h3>answer:</h3>

sorry po grade 4 palang po kasi

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5 0
3 years ago
Evaluate.<br><br> 2 • {[5 • (60 – 14 ÷ 7)] + 25} • 5
boyakko [2]

Answer:

3,150.

Step-by-step explanation:

  1. 2 · {[ 5 · ( 60 - 2 )] + 25 } · 5.
  2. 2 · {[ 5 · ( 58 )] + 25 } · 5.
  3. 2 · { 290 + 25 } · 5.
  4. 2 · { 315 } · 5.
  5. 630 · 5.
  6. 3,150.

These are all of the steps to completely and correctly solve this question.

Hope this helps.

Kyle.

5 0
3 years ago
Waves move _______, not matter.
timurjin [86]

Answer:

rock

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Add (8b - 7) + (6b + 8) simplify the answers. Pls show steps
katovenus [111]
I’m not rlly sure if i did it right & i’m sorry if i didn’t. i used the FOIL method
f= first to first
o=outer to outer
i=inner to inner
l= last to last
so it’d be
8b + 6b = 14b (f)
8b+ 8=16b(o)
-7+6b=-1b(i)
-7+8(l)
and then you add like terms so
[14b+16b-1b]+1
= 29b+1
7 0
3 years ago
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