If you find a first you will be able to find b a little faster then it is super easy after that you got this!
Hello!,
First we now they both equal 135
There both in ()
there both addition
I hope it helped!
9 because 9x3=27 or 27/3=9
Answer:
Step-by-step explanation:
90 + 122 + 4x + 19 + 9x - 8 + 7x - 3 = 540
220 + 20x = 540
-220 -220
--------------------------
20x = 320
/20 /20
----------------
x = 16
Answer:
63
Step-by-step explanation: