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ZETSUI1165IN
Answered

Find the solution to unknown variable.
1. 9x + 2 = 29
2. 3b - 3 = 36
3. 6y - 9 = 15
4. 8a - 7 = 17
5. 3x - 9 = 15​

Sagot :

P1GGYIN

UNKNOWN VARIABLE

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1.) 9x + 2 = 29

↬ (29 - 2) ÷ 9

↬ = 3

↬ X = 3

2.) 3b - 3 = 36

↬ (36 + 3) ÷ 3

↬ = 13

↬ B = 13

3.) 6y - 9 = 15

↬ (15 + 9) ÷ 6

↬ = 4

↬ Y = 4

4.) 8a - 7 = 17

↬ (17 + 7) ÷ 8

↬ = 3

↬ A = 3

5. 3x - 9 = 15

↬ (15 + 9) ÷ 3

↬ = 8

↬ X = 8

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