Answer:
8m-16 =16
8m=16+16
8m =32
m=32/8
m=4
Step-by-step explanation:
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Answer:
-4
Step-by-step explanation:
Since the total score <em>I</em><em>n</em><em>c</em><em>r</em><em>e</em><em>a</em><em>s</em><em>e</em><em>d</em><em> </em>by eight than the two matching cards must have been -4.
(total of four cards) + (two matching cards) = total score
(total of four cards) + (two cards × -4) = total score
(total of four cards) - 8 = total score
* take away two matching cards by adding 8 on both sides*
(total of four cards) = total score + 8
unknown value of what mate
Answer:
x = 40
Step-by-step explanation:
The three angles in a triangle add to 180 degrees
x + 30 + (3x-10) = 180
Combine like terms
4x +20 = 180
Subtract 20 from each side
4x+20-20 = 180-20
4x= 160
Divide each side by 4
4x/4 =160/4
x = 40