Question

please solve this math question
i din't understand (iii) (iv)​

Answer 1

Answer:

(iii) x=90

(iv) x=12

Step-by-step explanation:

(iii)

x/15 + 1 =7 (Subtract 1 from both sides)

x/15 = 6 (Multiply both sides by 15 to be left with just x)

x= 90

(iv)

0=12-x (Subtract 12 from both sides to get x by itself)

-12=-x (Divide both sides by -1 to get the value of x)

12=x or x=12

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Answer 2

Answer:

iii) 90

iv) 12

Step-by-step explanation:

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