Step 1
We have to solve the equation:
−6a−4=−7a+11
Rewriting the equation,
−6a−4=-7a+11
−6a−4+7a−11=0
Step 2
Combining similar terms, we get
−6a−4+7a−11=0
-6a+7a-4-11=0
a-15=0
a=15
Hence, solution of the equation is a=15.