Math, asked by mehak96539, 9 months ago

answer my question please

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Answered by sarohasej

0

Answer:

i will do Q1 a) from which you will learn to solve another questions please mark me as a brainlist

Step-by-step explanation:

3x - 9= 12

3x=12+9

3x=21

x=21/3

x=7

this is how to solve these type of question

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