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Express the following to Mathematical symbol.
1. Zab is x years old now. What is his age 7 years from now?
2. Joan is twice as old as her sister now. What is her age 6 years ago?
3. A square has a side 3x - 2 , what is the perimeter?
4. His income is 7x + 6 every day. What is his total income in x days?

Eto nalang pa answer​


Sagot :

Answer:

1.17

2.16

3.12

4.480

Step-by-step explanation:

1. 10 + 7= 17

2. 21-6 =16

3. 3×-2 × 4 = 12

4. 7×6 + 6 × 10 = 480

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