Answer:
The first error occurs in Step 3
The value of the equation is -69
Step-by-step explanation:
The error is that 3-0+(-72) is actually supposed to be 3-0-72 because once you multiply the positive 36 and the negative 2, the equation automatically becomes negative.
11
3 + 5 = 8
8 + 9 = 17
17 - 6 = 11
Multiply each equation by the value that makes the coefficients of
x
opposite.
(
−
3
)
⋅
2
+
5
y
=
20
10
37
1. -2
2. add 25/4
3. sub 25/2
4. 5/2