3/4=3/4
Cada criança recebe 3/4 litros de leite.
7x - 1 = 20
7 times 3 is 21, 21 minus 1 is 20
X is a variable to find it you need to isolate it(get it by itself)
You subtract the number (5) on the other side of the = sign from the number on the side of the = sign. and divide (-5a) by the number you subtracted before. So untimely- 5-5= 0 ÷ -5a = 0
On a graph with two or more different lines representing the two or more different equations in a system of equations, the solution to the system of equations is the point at which the different lines intersect.
Hope this helps!
