HA: 11.literal equations intro

Front

What is the goal when solving an equation?

Back

Isolate a variable / solve for a variable.

Front

Solve for n: 2m - n = 8

Back

n = 2m - 8

Front

Solve for y: 5x - y = 16

Back

y = 5x - 16

Front

Solve for y: 12x - 4y = 20

Back

y = 3x - 5

Front

Solve for n: -2 = 4r + n

Back

n = -2 - 4r

Front

What does it mean to isolate a variable in an equation?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is a literal equation?

Back

An equation that involves two or more variables.

Front

How do you solve for a variable in a literal equation?

Back

Rearrange the equation to get the variable by itself.

Front

Solve for x: 3x + 5 = 20

Back

x = 5

Front

Solve for y: 2y - 4 = 10

Back

y = 7