Question

Example :

3X+4 X=2

3(2)+4

6+4

10



1. 2X-5 X= 7

2. X2 - 15 X= 5

3. X/9 +6 X = 81

4. 8X -4. X = 13

Answer 1

1) 9

2) -5

3) 15

4) 100

those are the answers

Answer 2

9514 1404 393

Answer:

1. 9
2. 10
3. 15
4. 100

Explanation:

As in the example, put the value where the variable is and do the arithmetic.

1. 2·7 -5 = 9

2. 5^2 -15 = 10

3. 81/9 +6 = 15

4. 8·13 -4 = 100

Your calculator can do the math.