Answer:b=7
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
2(3b−1)=40
(2)(3b)+(2)(−1)=40(Distribute)
6b+−2=40
6b−2=40
Step 2: Add 2 to both sides.
6b−2+2=40+2
6b=42
Step 3: Divide both sides by 6.
6b/6=42/6
b=7
Answer:
99
12x4=48
12x3=36
12-4-5=3
3x5=15
48+36+15=99
a.
5x+4
-2x^3 + 1/7x - 1