exam Maths Puzzle Numerical Ability

Solve for x using the addition principle.
x + 16 = -8




I have to admit that i am at a total loss. When i decided to take online classes i didnt know algebra would be one of them. Please help me. I am too old for this lol.

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how do you do Writing linear equations given two points(chpt.3) and also fitting a line to data(chpt.4) and point-slope form of a linear equations(chpt.5) i really dont under stand Can someone help me on this?


I need to write the following phrase using symbols. Use the variable x to represent the number:

Eight less than three times a number.

Thanks,
Ashley