Writing Expressions
Write an expression.
A number decreased by 12
x-12
Write an equation.
A number diminished by 5 is 12.
x-5=12
Write an equation.
Five times a number increased by 8 is the same as 9 times the number decreased by 10.
5x+8=9x-10
Write an equation and solve it.
Half a number increased by 5 is 7. What is the number?
x=4
Solve for x:
8x + 15 = 55
x = 5
Write an expression.
Four times a number increased by 9
4x+9
Write an equation.
Twice a number increased by 8 is 20.
2x+8=20
Write an equation.
Eight less that 5 times a number is the same as 6 more than twice the number.
5x-8=2x+6
Write an equation and solve it.
Seven diminished by twice a number is -11. What is the number?
x=-9
Solve for x:
78 = 8x - 10
x = 11
Write an expression.
Seven less than 8 times a number
8x-7
Write an equation.
The quotient of a number and 9 decreased by 5 is 15.
x/9-5=15
Write an equation.
Five times the sum of a number and 7 is 21.
5(x+7)=21
Write an equation and solve it.
One decreased by a third of a number is 3. What is the number.
x=-6
Solve for x:
83 = 4x + 15
x = 17
Write an expression.
9 more than the quotient of a number and 3
x/3+9
Write an equation.
Three-fourths of a number increased by 7 is -4.
3/4x+8=-4
Write an equation.
Twice the difference of a number and 5 is the same as 7 more that 3 times the number.
2(x-5)=3x+7
Write an equation and solve it.
15 is 3 times a number decreased by 9. What is the number.
x=2
Solve for x:
6x + 3.39 = 27.39
x = 4
Write an expression.
Eight times the difference of a number and 5
8(x-5)
Write an equation.
27 is 12 more than 5 times a number.
27=5x+12
Six times the sum of a number and -1 is the same as 3 times the difference of the number and 3.
6(x+(-1))=3(x-3)or 6(x-1)=3(x-3)
Write an equation and solve it.
Four more than half a number is 12. What is the number.
x=16
Solve for x:
23.68 = 2x - 4.32
x = 14