How do you solve $7 + 4 y = 39$ $7+ 4y = 39$ ?

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How do you solve $7 + 4 y = 39$ $7+ 4y = 39$ ?

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Answer 1 · 2018-04-23T02:09:01

y=8

Explanation:

you'll want to get y by itself one one side of the equation, so subtract a 7 from both sides

$7 + 4 y = 39$ $7+4y=39$
subtract 7 from both sides

= $4 y = 32$ $4y=32$

divide both sides by 4 to isolate y

= $y = 8$ $y=8$

Answer 2 · 2018-04-23T02:11:35

$y = 8$ $y=8$

Explanation:

We have to reverse the mapping to find out the answer

Minus 7 on both sides

$7 - 7 + 4 y = 39 - 7$ $7-color(red)(7)+4y=39-color(red)7$

$4 y = 32$ $4y=32$

Now divide both sides by 4

$\frac{4}{4} y = \frac{32}{4}$ $4/color(red)4y=32/color(red)4$

$y = 8$ $y=8$

Answer 3 · 2018-04-23T02:12:30

$y = 8$ $y=8$

Explanation:

In order to find $y$ $y$ , we must first isolate the variable. Therefore, we subtract $7$ $7$ from both sides.

$7 - 7 = 0 and 39 - 7 = 32$ $7-7=0 and 39-7=32$

Now, we're left with

$4 y = 32$ $4y=32$

We still need to isolate the variable. Thus dividing by $4$ $4$ on both sides;

$\frac{4 y}{4} = y and \frac{32}{4} = 8$ $(4y)/4 = y and 32/4= 8$

So

$y = 8$ $y=8$

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How do you solve $7 + 4 y = 39$ $7+ 4y = 39$ ?

3 Answers

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