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3 years ago

6

The value of (6-1 – 8-1) -1 is . plz answer fast

1 answer:

myrzilka [38]3 years ago

7 0

Answer: -5

Step-by-step explanation:

Paranthesis First, 6-1-8-1=-4-1=-5

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Find the solution of the system of equations.<br> 10x+10y=40 <br> 5x+3y=8

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Answer:

x = -2 & y = 6

Step-by-step explanation:

$10x+10y=40$

$10x+10y+ -10y=40+-10y$

$10x=-10y+40$

$\frac{10x}{10} =\frac{-10y+40}{10}$

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$\div2$

$y=6$

$x=-y+4$

$x=-6+4$

$x=-2$

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