O ALGEBRAIC EQUATIONS AND INEQUALITIES
Solving a word problem with two unknowns using a linear equa...
Gabrielle is 10 years older than Mikhail. The sum of their ages is 110. What is Mikhail's age?

Mikhail is 50 years old.

Step-by-step explanation:

Let m represent how old Mikhail is.

110 = (m + 10) + m

Combine equal variables.

110 = 2m + 10

Get the variable alone by cancelling out the 10.

110 - 10 = 2m

Simplify.

100 = 2m

Divide.

m = 50

Length= x+x which makes 2x

Width= 4x+4x which is 8x

Simplified version= x (length)

4x (width)