Answer: A=20
Step-by-step explanation:
3×A=30+30............eqn 1
3A=60
A=60/3
A=20
Substitute A=20 into equation 1
3x20= 30+30
Your answer should be A, sorry if that’s incorrect it just makes the most sense! :)
Answer:
9
Step-by-step explanation:
Value of 'a' = 15
Value of 'b' = 6
Simplifying the expression given in question,



Putting 'a' & 'b' in above expression ,

Answer:
Step-by-step explanation:
here you go mate
step 1
x-6 = 5(x + 2) equation/Question
step 2
x-6 = 5(x + 2) simplify
x+(-)6=5x+10
x-6=5x+10
step 3
x-6=5x+10 subtract 5x
-4x-6=10
step 4
-4x-6=10 add 6
-4x=16
step 5

answer
x=-4