Answer:
a=−9
Step-by-step explanation:
a−4=−13
Step 1: Add 4 to both sides.
a−4+4=−13+4
Question
solve for a
a+(-4)=13
a + (-4) = 13
a = 13 + 4
a = 17
check
17 + (-4) = 13
the answer is good
