One-Step Linear Equations
r-21= -37
r= -16
4p - 7 = 5
p = 3
n-2=4 - 2n
n = 2
(a+3)/2 = 3
a = 3
What is an unknown letter called?
a variable
b + -30 = -20
b = 10
6 = 4v +2
v = 1
17-3y = 6y -10
y=3
-15b = -14b +12
b = -12
What is the name of the action needed to simplify the following expression?
4(x+2)
Distributive property
(c/4) -8=12
c=80
5t - 9 = -3t +7
t = 2
-10 +10c - 10 = 10 +4c
c = 5
What is it called when you group similar numbers and variables together to simplify an equation?
Combining like terms
5a = -25
What is -5
4(2x+ 5)=68
x=6
4(f-2) = 6(f+3)
f = -13
2(y-4) - 8 = - 6
y = 5
What are the actions called when you use the inverse to solve an equation?
Opposite operations
8 = y/4
What is 32
(4d + 5)/7 = 7
d=11
3(1 +d)-5 = 3d -5 + 2d - 11
d = 7
-3(p-2)-2=2-2(2p +6)
p = - 14
BONUS POINTS
BONUS POINTS