Mathematics: PLEASE HELP IM TRYING TO CATCH UP

Use variables and set up equations.Next, get one variable with equal coefficients.Then get it alone on one side.Now we can use substitution. Since , substitute for in the other equation and you ll get an equation with just one variable to simplify and solve.We can then use in an earlier equation to find ....

PLEASE HELP IM TRYING TO CATCH UP - id7364786, watsonjessalynn

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preshoo1454

01.02.2022

Mathematics

hello guys images not coming

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jdisalle7486

04.06.2021

Mathematics

Use variables and set up equations.

$3p + 4c = 40 \\ 5p + 2c = 34$

Next, get one variable with equal coefficients.

$3p + 4c = 40 \\ 10p + 4c = 68\ (multiplied\ both\ sides\ by\ 2)$

Then get it alone on one side.

$4c = 40-3p \\ 4c = 48-10p$

Now we can use substitution. Since 40-3p = 4c

, substitute 40-3p

for

in the other equation and you'll get an equation with just one variable to simplify and solve.

$40-3p = 68-10p \\ 40+7p = 68 \\ 7p = 28 \\ \boxed{p = 4}$

We can then use p = 4

in an earlier equation to find

.

$5p + 2c = 34 \\ 5*4 + 2c = 34 \\ 20 + 2c = 34 \\ 2c = 14 \\ \boxed{c=7}$

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PLEASE HELP IM TRYING TO CATCH UP

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