Equivalent Expressions
(7x - 5) - (3x - 2)
4x - 3
3x + 9 = 18
x = 3
Timmy bought a video game console and some games for $350. The video game console cost $175. Each game cost $35. What's the expression?
$175 + $35x = $350
4x > -28
x > -7
1/2x + 4x - 1/2x + 60
4(x + 15)
2/9m + 12 = -8
m = -90
Mr. Gonzales has $42.50 to spend at a clothing store. He wants to buy a shirt that costs $29, and some bracelets that cost $4.50 each. What's the equation and answer?
$29 + $4.50x + $42.50
x = 1 bracelet
-x > 18
x < -18
1/5(3a + 50)
3/5a + 10
6/7(y - 3/4) = -5/14
y = 1/3
For a repair job, an electrician charges an hourly rate of d dollars plus a flat fee of $25. The electrician charges a total of $57 for a 4-hour repair job.
What's the equation and answer?
4d + $25 = $57
d = $8
2x + 20 < -8
x < -14