Two-Step Equations
Solve the equation: r-18=42
r=60
Solve the equation: 6(x-1)=12
x= 3
Solve the inequalities. x+4<3
x<-1
Solve the inequalities. 2y+7>11
y>2
Simplify: -9a + 5 - a
-10a + 5
Solve the equation: w/4 -21=-3
w=72
Solve the equation: 14t-4-9t=31
t=7
Solve the inequalities. m+13≥14
m≥1
Solve the inequalities: 11+4z<-1
z<-3
Simplify:
3(-5) + 7 - 11
-19
Solve the equation: 4-3x=34
x=-10
Solve the equation: -5(3n+5)=20
n= -3
Solve the inequalities. 3y>36
y>12
Solve the inequalities: 3 + b/3 < 7
b<12
Simplify:
-4(3x - 5)
-12x + 20
Solve the equation: d/15 + 26 = 33
d=105
Solve the equation: -(z+11)=6
z=-17
Solve the inequalities. d/11 ≤ 6
d ≤ 66
Solve the inequalities: x/3 - 8 ≥ -3
x ≥ 15
What is the rule when you multiply or divide by a negative variable when solving inequalities?
You flip the inequalities sign
Write the statement as an equation and solve. "Five minus the product of 2 and a number is 7."
5-2x=7 ; x=-1
What is the solution of the equation: 2x-10 = 8
x = 9
Which inequality is equivalent to -18 ≤ 3p? Show your work.
a) p ≥ -54
b)-54 ≥ p
c)-6 ≤ p
d)-6≥p
c) -6 ≤ p
Solve the inequality: z/4 + 3 < 15?
z < 48
Solve the following inequality:
−6 < 3n + 9
-5 < n or n > -5