So represent missing number with x
x means unknown so
x+-1=+1
adding a negative means subtraction
x-1=1
you can do anything to an equation as long as you do it to both sides
add 1 to both sides
x+1-1=1+1
x+0=2
x=2
the number is 2
Remember:
(x, y)
(y-axis)
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--------|-------- (x-axis)
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You just have to...
fiddle...
around with the graph.
And try to figure out things.
I spent 20 minutes on this.
and couldn't get quite close to a cross.
sorry.
Answer:
with what do you need help? if you took a picture i cant see it at all
Step-by-step explanation:
90 is the answer to that question
Here are the basic steps to follow to simplify an algebraic expression:<span>remove parentheses by multiplying factors.
use exponent rules to remove parentheses in terms with exponents.
combine like terms by adding coefficients.
<span>combine the constants.</span></span>