How to work math problem -7/9(x=3)=14

Answers

Answer 1

Answer: $-(7)/(9)(x+3)=14\ \ \ \ \ |multiply\ both\ sides\ by\ (-(9)/(7))\n\n(-(\not9^1)/(\not7_1))*(-(\not7^1)/(\not9_1))(x+3)=-(9)/(7)*14\n\nx+3=-9*2\n\nx+3=-18\ \ \ \ \ |subtract\ 3\ from\ both\ sides\n\n\boxed{x=-21}$

Answer 2

Answer: -7/9(x=3)=14

-7/9x-7/3=14 (distribute)
-7/9x=49/3 (add 7/3 to both sides)

x=-21 (divide 49/3 by -7/9)

you can check if its correct by substituting back into the original equation

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How do you solve 2/3x+15=17? it is confusing. i have been stuck on this problem for a while...

Answers

Find the opposite of adding 15. So it would be subtracting 15. So subtract 15 on both sides. So it would have 2/3x on the left and then 2 on the other side. (2/3x=2) Now find the opposite of multiplying 2/3. It is dividing 23/3. So divide 23/3 on both sides. So multiply 2/3 times 1/2. It would equal 3. x = 3
Hope this helps. :-)

Which equation does not belong with the other three:5y=2x

y=2 fifths x

10y=4x

5xy=2

Answers

5xy = 2 does not belong, because it doesn't simplify to 5y = 2x like the others. The second one is done when you divide both sides by 5, and you get y = 2/5x, which is true. The third one is done when you multiply both sides by 2, which is 10y = 4x, which is also true. But for the fourth one, to get x to move, you need to divide x from both sides, which is NOT 5xy = 2, it's actually 5y/x = 2. Hope this helps :D

Solve then graph x^2-2x

Answers

That expression isn't an equation. So it asks no question, and has no solution or graph. It simply represents a number, which depends on the value of 'x'.

Which has a larger area, a square with 7/8 mile sides or a rectangle that is 1/4 mile by 3

Answers

for this question, you should find the area of each shape.
So first you can find the area of square:
7/8 * 7/8 = 49/64
now you can find the area of the rectangle:
1/4 * 3 = 3/4
so you should know that 3/4 is equal to 48/64
now you can see that 49/64 is greater than 48/64 or 3/4 (which is the same)
so the area of the square with 7/8 mile sides is larger that the rectangle that is 1/4 mile by 3 :))))
I hope this is helpful
have a nice day

What is 1.4 over 0.7