Question

1. What do we get when we transpose 5/2 to RHS in the equation X/4 + 5/2 = -3/3?
à X/4 = -3/4 + 5/2
b. X/4 = -5/2 + 3/4
C. X/4 = -3/4 + (-5/2)
d. none of these
2. In the equation 3x = 4-x, transposing -x to LHS we get
a. 3x - x = 4
b. 3x + x = 4
C. -3x + x = 4
d. -3x - x = 4
3. If x/3 + 1 = 7/15, then which of the following is correct?
a. x/3 = 7/15 - 1
b. x/3 = -7/15 + 1
C. x/3 = -7/15 - 1
d. none of these
4. If 7x+15 = 50, then which of the following is the root of the equation?
a. -5
b. 65/7
C. 5
d. 1/5
5. If 2x/5 = 4, the value of x is-
a. 10
b. -10
C. -8/5
d. 8/5
6. If the sum of two consecutive numbers is 71 and one number is x, then the other number is
a. X + (x+1) = 71
b. X + (x+2) = 71
C. X + x = 71
d. none of these



PLEASE ANSWER ME FAST BECAUSE IT'S URGENT.....
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Answer 1

Answer:

1.= (d.) none of these

2.= (b.) 3x+x=4

3.= (a.) x/3=7/15-1

4.= (c.) 5

5.= (a.) 10

6.= (d.) none of these

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Answer 2

Solution:

1.  (d.) none of these

2. (b.) $3x+x=4$

3. (a.) $\frac{x}{3} =\frac{7}{15}-1$

4. (c.) 5

5. (a.) 10

6. (a.) $x+(x+1)=71$

Explanation:

1. we get when we transpose $\frac{5}{2}$ to RHS in the equation $\frac{x}{4}+\frac{5}{2}=\frac{-3}{3}$$\frac{x}{4}+\frac{5}{2}=\frac{-3}{3}\\\frac{x}{4}=\frac{-3}{3}-\frac{5}{2}$

is the answer.

2. In the equation 3x = 4-x, transposing -x to LHS we get

$3x=4-x\\3x+x=4$

is the answer.

3. If $\frac{x}{3} + 1=\frac{7}{15}$, then which of the following is correct

$\frac{x}{3} + 1=\frac{7}{15}\\\frac{x}{3} =\frac{7}{15}-1$

is correct answer.

4. If 7x+15 = 50, then which of the following is the root of the equation

   $7x+15=50\\7x=50-15\\7x=35\\x=5$

is correct answer.

5. If 2x/5 = 4, the value of x is

$\frac{2x}{5} =4\\ 2x=20\\x=10$

is correct answer.

6. If the sum of two consecutive numbers is 71 and one number is x, then the other number is

if one number is x then other number is (x+1)

hence,

Sum of two consecutive numbers

$x+(x+1)=71$

is correct answer.