Sagot :
Answer:
1. x = 5
2. x = 13
3. x = 4
4. x = 0
5. x = 5
Step-by-step explanation:
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ANSWER
1.) X = 5
x + 4 = 9
= x = 9 - 4
= x = 5
2.) x = 13
x + 7 = 20
= x = 20 - 7
= x = 13
3.) x = 4
x + 8 = 12
= x = 12 - 8
= x = 4
4.) x = 0
x + 9 = 9
= x = 0
- Cancel equal terms on both sides of the equation.
5.) x = 5
x + 2 = 7
= x = 7 - 2
= x = 5
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