Answer:
a = -13
Step-by-step explanation:
33= -2a + 7
Isolate the unknown variable -2a.
2a = 7 - 33
Evaluate.
2a = -26
Find a.
a = -26 ÷ 2
25/2 or 12.5
We transfer the vairable out to keep isolate it
2a=-33+7
2a= -25
a=25/2 or 12.5
