System of equations - practice problems - page 2 of 98
Number of problems found: 1942
- Large family
I have as many brothers as sisters, and each of my brothers has twice as many sisters as brothers. How many children do parents have? - The difference
The difference between the two numbers is 1375. If their exact quotient is 12. Find the two numbers - The ratio
The ratio of the two numbers is 4, and their sum is 75. Determine both numbers. - Two numbers 7
The sum of two consecutive even numbers is 30. Find the numbers. - Substitution
Solve equations by substitution: x+y= 11 y=5x-25 - System: 5690
Solve the system: 2 * (x-2) = 6y + 6 y-x = -2 - Calculate 4013
In a triangle, one internal angle measures 36 degrees. The second angle is twice the third angle. Calculate unknown angles. - Equations: 2964
Solve a system of equations: x + y = 4 x-3y = -6 - Equations: 2962
Solve a system of equations: x + y = -1 x + 5y = 3 - Numbers 2856
The sum of the two numbers is 13. The third of the first number is three. What are the numbers? - FX parabola
Determine the equation of the parabola going through the following co-ordinates (1;2), (-1;-2), and (2;7) - Simple equations
Solve the system of equations: 5x+3y=5 5x+7y=25 - Angle
Determine the size of the smallest internal angle of a right triangle which angles forming the successive members of the arithmetic sequence. - Product
The sum and the product of three integers are 6. Write the largest of them. - Difference 27431
The sum of 2 numbers, x, and y, is 80, and their difference is 16. Determine the numbers x and y. - Equations: 8160
Solve a system of equations: 3x- (y + 2) / 2 = 9 (x + 2) / 5-2y = 5 - Equations 6005
Solve a system of two equations with two unknowns, x and y: 3x - 4y = 12 -x + 3y = 1 Will the sum of x + y be equal? - Linsys2
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144 - Addition method
Solve for the variables by substitution or addition method: x + 3y = 19 5x + 3y = 35 - Y-intercept
Find the y-intercept of the graph (-3,-3), (4,3), (8,3). The x-intercept is 1/2.
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