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4 years ago

11

-5⁄2 a + 5 = 25 find a

2 answers:

horsena [70]4 years ago

8 0

Answer:

The answer is 8

Step-by-step explanation:

-5/2 x 8= 20 and if you add 5 it is 25.

nordsb [41]4 years ago

3 0

Answer:

sub 5 25 - 5 = 20

-5/2a=20

mult 2 by each side to get rid of fraction

-5a=40

divide -5 from 40

a=-8

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Read 2 more answers

Use substitution to solve the linear system of equations

xenn [34]

we are given

system of equations

$y=4x$

$3x+5y=-46$

we can plug first equation into second equation

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$3x+5(4x)=-46$

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