15 terms

# Solving Multiple-Step Equations/Expressions

Solving 1,2 and multiple step Equations Simplifying Expressions
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Solve for n:
2/3n=14
n=21
Solve for n:
-3(2n-5)=0.5(-12n+30)
-6n+15=-6n+15 Identity Property- this equation is true for all values of n
Solve for s:
3=t+5s
s=3-t/5
Solve for r:
6(r+2)-4=-10
r=-3
SIMPLIFY the expression:
12-3(x+8)-9x
-12-12x
Solve for p:
5p-1=2p+20
p=7
The length of a rectangular room is 6 less than 3 times the width,w, of the room.

Write a simplified expression that represents the perimeter of the room.
8w-12
A triangle has the sides 3x,2x-8 and 10.

Write a simplified expression for the perimeter of the triangle.
5x+2
A triangle has the sides x,2x-14 and 10.

If the perimeter of the triangle is 49 what is the value of x?
x=17.6
The greater of two numbers is 4 more than the lesser. Three times the greater is 2 less than 5 times the smaller.
Find the numbers.
The numbers are 7 and 11.
Translate this sentence into an equation.
Two times a number,n, is three times the sum of n and nine
2n=3(n+9)
Solve for w:
5-3(w+4)=w-7
w=0
Find two consecutive even integers, such that six times the first equals five times the second.
6x=5(x+2) The integers are 10 and 12
In terms of pi, what is the diameter of a circle whose circumference is 5?
5/∏
Solve in terms of x:
3ax+b=c
(c-b)/3a