2 + 2x = 18 2x = 18 - 2 2x = 16 x = 8
It is an equation and the value of x is 4
It is an equation and the value of x is 2
It is an equation and the value of b is 3
It is an equation and the value of y is 18
Commutative propertry
It is the equation of a sraight line.
It is an equation and the value of v is 18
3
4x + 6y = 62-6x + 6y = -18 Multiply this equation by -1 the result will be_______________4x + 6y = 626x - 6y = 18_______________ Equation 1 + Equation 2 the result will be10x = 80 ----> X=8Put the value of X in one of the Equations above to find the value of yand so Y=5
9 x represents a number so in this equation it basically means what number is added to 9 to make 18 to work it out you do 18-9=9
U can subtract 18 from each side of the equation.
15