X + (x + 10) = 154
2 x + 10 = 154
2 x = 154-10 = 144
x = 72 (ans)
Not sure if it’s right
Answer:
All three chose a valid first step toward solving the equation.
All approaches are algebraically correct
Answer:
It is because the red disks were more than the other disks before the pupils added other disks.
Answer:
d
Step-by-step explanation:
the answer is d, tan = (cateto opuesto / cateto adyascente)
Answer:
c=4
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
2(c+1)=10
(2)(c)+(2)(1)=10(Distribute)
2c+2=10
Step 2: Subtract 2 from both sides.
2c+2−2=10−2
2c=8
Step 3: Divide both sides by 2.
2c
2
=
8
2
c=4