When solving an equation with a fraction as the coefficient we multiply both sides by what?
The Multiplicative Inverse
200
5 = 4a - 7
x = 3
200
The product of 3 and a number is 36
3r = 36
200
6n - 1 = 4n - 5
n = -2
200
-12(k + 4) = 60
k = -9
300
1.2b = 9.6
x = 8
300
16 = 5x - 9
x = 5
300
Four less than five times a number is equal to 11
5t - 4 = 11
300
Simplify: 3x + 5 - 2x -3 + 10x
11x + 2
300
8(t + 2) -3(t - 4) = 6(t - 7) + 8
t = 62
400
7/8 k = -21
k = -24
400
15 - w/4 = 28
w = -52
400
Fifteen more than half a number is 9
1/2 n + 15 = 9
400
4x - 2 = 22 - 8x
x = 2
400
3(6 - 4x) = -2(6x - 9)
Identity or Infinite Solutions
500
The numerical factor of a term that contains a variable is called the ____________ of the variable.
Coefficient
500
Bobby received a $50 gift card to an online store. He wants to purchase some t-shirts that cost $8 each. There will be a $10 overnight delivery fee. How many t-shirts can he buy?
He can by 5 t-shirts.
500
Six less than seven times a number is equal to -20.
7y - 6 = -20
500
Green's Gym charges a one time fee of $50 plus $30 per session for a personal trainer. A new fitness center charges a yearly fee of $250 plus $10 for each session with a trainer. For how many sessions is the cost of two plans the same?