Solving Equations
Solve for x:
-12(x+5)=144
x=-17
A=bh for h
h=A/b
Translate.
Three more than a number is 12.
3+x=12
or
x+3=12
The larger of two numbers is 10 less than twice the smaller number. If the sum of the two numbers is 38, find the two numbers.
16, 22
Find m.
(m/9)-1=-2
m=-9
g=-c+x for x
Translate
4 less than twice a number is 10.
2x-4=10
The number of years that Brad has been on the soccer team is 2 less than 5 times the number of years that Scott has. In total, the boys have been on the soccer team for 10 years. How long has Brad been on the soccer team?
8 years
Solve for x.
2(4x-3)-8-2x=4
x=3
u=k/a for k
k=ua
Translate
The product of a number and 8 decreased by 5 is 17.
8x-5=17.
The length of a rectangle is 5 less than twice its width. The perimeter is 26 meters. Find the dimensions of the rectangle.
6 meters, 7 meters
Solve for n.
5n+34=-2(1-7n)
n=4
Ax+By=C for B
B= (C-Ax)/y
the quotient of a number and 8 increased by three is 11.
The sum of three consecutive numbers is 33 more than the smallest number. Find the numbers.
15, 16, 17
Solve for m.
24m-22=-4(1-6m)
no solution
z=b+(m/a) for a
a = m / (z-b)
three times the difference of a number and two, increased by 5, is 20.
3(x-2)+5=20
The sum of three consecutive odd integers is 18 less than the middle number. Find the integers.
-11, -9, -7