Solving Equations With Variables on Both Sides

Front

4( x + 2) = 16

Back

2

Front

1 + 4n - 6n = 1 - 8n

Back

combine the like terms 4n + -6n

Front

The goal when solving an equation is to...

Back

isolate the variable.

Front

Back

Front

-3(x - 2) = -8 +9b

Back

Distribute -3 to the x and -2

Front

Equations to determine equal value for Frederick County Fair ($15 + $2.50/ride) and Montgomery County Fair ($10 + $3.00/ride).

Back

15 + 2.5x = 10 + 3x

Front

Situation modeled by: 120 + 25x = 45x. Options: John bought a car radio for $120 and speakers for $25 each. Joe bought a radio for $45. They each paid the same. How much did they spend?, George charges a flat fee of $120 to mow a lawn plus $25 an hour. Greg charges $45 a hour to mow a lawn. After how many hours do they make the same amount?, Lisa pays $120 for each purse she buys plus an additional $25 to have them personalized. Lauren pays $45 for each purse she buys. How many purses must they buy for the amount they spent to be the same?

Back

George charges a flat fee of $120 to mow a lawn plus $25 an hour. Greg charges $45 a hour to mow a lawn. After how many hours do they make the same amount?

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Back

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Back

Front

Solve the equation for d: d / t = r

Back

d = rt