linear equations
x+3=6
x=3
3(2x+1)+x=-39
x=-6
y=3x-5
(0,-5)
There were pizzas in a shop. A customer bought pizza. How many pizzas are left?
1
x+5=10
x=5
x+16-4=14
x=2
y=4
slope 0 y intercept 4
Ben is three times as old as John. The sum of their ages is 40. How old is each?
john is 10 ben is 30
x+4=8
x=4
-3+2=10-x
x=-4
y=x
slope 1 y intercept 0
x+2=4
x=2
2x+3(4x-7)=12
x=33/14
y=-3/5x+1
slope is -3/5 and y intercept is 1
x+8=16
x=8
3/4x-1/8=1/4
x=1/2
y=6x+1
slope 6 y intercept is 1