Four is three less than

2 answers:

6 0

If you would like to solve the expression four is three less than, you can calculate this using the following steps:

four is three less than x
x = ?
4 = x - 3
x = 4 + 3
x = 7

Result: Four is three less than seven.

LenaWriter [7]3 years ago

5 0

Four is three less than 7

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How to solve using substitution y=3/4X+5 4x-3y=-1

Pachacha [2.7K]

Please, use parentheses to enclose each fraction:
y=3/4X+5 should be written as y=(3/4)X+5

Let's eliminate the fraction 3/4 by multiplying the above equation through by 4:

4[y] = 4[(3/4)x + 5]
Then 4y = 3x + 20
(no fraction here)

Let 's now solve the system

4y=3x + 20
4x-3y=-1

We are to solve this system using subtraction. To accomplish this, multiply the first equation by 3 and the second equation by 4. Here's what happens:

12y = 9x + 60 (first equation)
16x-12y = -4, or -12y = -4 - 16x (second equation)

Then we have

12y = 9x + 60
-12y =-16x - 4

If we add here, 12y-12y becomes zero and we then have 0 = -7x + 56.
Solving this for x: 7x = 56; x=8

We were given equations
y=3/4X+5
4x-3y=-1

We can subst. x=8 into either of these eqn's to find y. Let's try the first one:

y = (3/4)(8)+5 = 6+5=11

Then x=8 and y=11.

You should check this result. Subst. x=8 and y=11 into the second given equation. Is this equation now true?

5 0

3 years ago

Write a point that is the same distance from (0,0) as (0,6)

Bess [88]

-0,6 i believe would be the same distance from 0,0 as 0,6.

8 0

3 years ago

Nguyen played a game in which he could either lose or gain points each round. at the end of 7 rounds, he had -8 points. After on

Sergeeva-Olga [200]

Answer:

I think the answer would be +15.

Step-by-step explanation: