The area of the right triangle = 
b = base = SV = 12.3
h = hight = HL = 24.6
A = area
b = base = SV = 12.3
h = hight = HL = 24.6
A = area
tickets to a school dance are sold for $10 each the student council spent a total of $400 on setup cost for the dance the school
1 answer:
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There is actually 2 ways to solve this, I will show you both.
The first is obvious, solve for x in the first one, and plug it into the 2nd one and get the answer
4x + 7 = 12
4x = 5
x =
8() + 3
2 * 5 + 3
10 + 3
13
The 2nd option is to manipulate the 4x + 7 to be 8x + 3
4x + 7 = 12
start by moving the 7 over
4x = 5
multiply both sides by 2
8x = 10
and add 3 to both sides
8x + 3 = 13