vocab
distributive
multiplying with the number outside the parenthysis
3x + 5x = 24
what is x = 3
3x+5=2x+9
x=4
3/2 x/8
12
always combine?
like terms
2(3x+4)=20
what is x = 2
5y-4=3y+6
y=5
(4+h)/16 = 7/4
24
solve proportions with?
cross multiply
7x - 3x =12
what is x = 3
4a+7=6a-1
a=4
6/7=(3m-1)/6
2 or 2.05
substition
replacing variables with numbers
3 (2x-1) = 9x - 6
what is x = 1
2z-3=z+8
z=11
8/p=4/(p+40)
-80
a way to solve mathmatical eqautions / PEMDAS
4 ( x +2) + 3x = 25
what is x 17/7
7p+2=4p+11
p=3
x/(x-5)=13/8
13