book
Maths Puzzle
Numerical Ability
Please help me solve this:
2b+a=11
a-b=5
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book Other Question
How do you find the answer for the absolute value of |6x-13|=3?
This is another problem where it says to simplify.
4x to 4th y to 7th z to 3rd/32x to 5th y to 4th z to 9th