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6.5.2 Exercises
Determine if the given value of the variable is a solution of the equation.
1. y +1.6 = 14.4, y =2
2. 2x +3 = 19, x =8
Solve the equations and check the solutions.
3. x − 5= 19
4. 6 + y = −2
5. 9x =45
2
6. t =24
5
7. −y − 14 = 5
x
8. = −4
8
9. 19t − 5= −5
10. 4x − 5= 7
11. 2y − 1.6 = 13.2
12. 2x − 4= 3x − 6
13. 1 − x = x − 1
2 x −14
14. − =
3 5 15
15. Twelve times a number is 108. What is the number?
1
16. Five more than a number is −9 . What is the number?
2
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