1. 3x+16 = 5x-54
-3x -3x
16=2x-54
+54 +54
70 = 2x
35=x
2. 4x-10 = 58
+10 +10
4x = 68
x=17
3. 2x+43 = 2x-3
x=0
no solution
4. x+16 = 4x-5
-x -x
16=3x-5
+5 +5
21=3x
x=7
5. 11y-36 = 63
+36 +36
11y=99
y=9
Answer:
4x + 1
Step-by-step explanation:
note that (f + g)(x) = f(x) + g(x) , thus
f(x) + g(x)
= x + 3x + 1 ← collect like terms
= 4x + 1
A. is the answer
50 cupcakes, 150 cookies
56 degrees
