Asked by LillyPrince
when you have to add or subtract from each side of a linear equations and linear inequalities, how do I know what to add or subtract?
Answers
Answered by
Ms. Sue
5x + 10 = 20
We need to SUBTRACT 10 from both sides.
5x +10 - 10 = 20 - 10
5x = 10
3x - 8 = 7
We need to ADD 8 to both sides.
3x - 8 + 8 = 7 + 8
3x = 15
In other words we need to get the unknown quantity by itself.
We need to SUBTRACT 10 from both sides.
5x +10 - 10 = 20 - 10
5x = 10
3x - 8 = 7
We need to ADD 8 to both sides.
3x - 8 + 8 = 7 + 8
3x = 15
In other words we need to get the unknown quantity by itself.
Answered by
LillyPrince
Okay thank you.
Answered by
Ms. Sue
You're welcome.
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