Linear equations
5 + 6x = 7
1/3
The sum of three consecutive odd numbers is 177.
Find the numbers.
57, 59, 61
2x+y=5
x+3y=-5
x=4, y=-3
x + 3(x + 1) = 2x
-1.5
The sum of two numbers is 50. The second number is four times the first. Find the numbers.
10 and 40
x+2y=8
2+3y=14
x=4, y=2
x² + 4 = (x + 1)(x + 3)
1/4 or 0.25
The three angles in a triangle are in the ratio 3:4:5.
Find them.
45, 60, 75
2x+7y=17
5x+3y=-1
x=-2, y=3