90,000,000+2,000,000+800,000+80,000+8,000+100,000
Answer:
Replace one equation with the sum/difference of both equations and Yes
Step-by-step explanation:
In Khan Academy
<span>The law of cosines relates the lengths of the sides of a triangle to the cosine of one of its angles. This is the formula: </span>c2<span> = a</span>2<span> + b</span>2<span> − 2ab cos(C)
Hope this helps,
kwrob</span>
I answer for what i understand, is
5 * 2 - x = 13
10 - x = 13
-x = 13 - 10
x = -3
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use pemdas
5 * 2 - (-3) =
10 + 3 = 13
the answer is good