Variable X
x+ 5= -2
x=?
x+5= -2
x+5+(-5)= -2+(-5)
x= -7
y=x+5
x=6
y=?
y= x+5
x=6, y=6+5
y= 11
3x+3y=6
x+y=?
3x+3y=6
(3x+3y)/3= 6/3
3x*(1/3)+ 3y*(1/3)= 2
x+y=2
2p+8p
Simplified equation is?
2p+8p
Simplified equation=10p
There are 20 balls in the bag, three balls are blue, and another seven balls are red, and if there are ten yellow balls, what are the possibilities of grabbing a blue ball?
if the20 balls are 100 percent, 10 balls are 50 percent. Then 5 balls would be 25%, then 1 would be 5%.
If there are three balls, it's 3x1= 5%x3, 15%
2x+4=0
x=?
2x+4= 0
2x+4+(-4)= 0+(-4)
2x=-4
2x/2= (-4)/2
x= -2
y= 3x-4
x=3
y=?
y= 3x-4
x=3, y= 3(3)-4
y= 9-4
y=5
4x+8y= 16
x+2y=?
4x+8y= 16
(4x+8y)/4= 16/4
4x*(1/4)+8y*(1/4)= 4
x+2y=4
10x2+22+13x2+8
The simplified equation is?
10x2+22+13x2+8
(10+13)x2+22+8
Simplified equation=23x2+30
What is the square root of 64?
if 8x8= 64, the root is a factor of a number that, when multiplied by itself, gives the original number.
square root of 64= 8
2x+9-4= -1
x=?
2x+9-4=-1
2x+5= -1
2x+5+(-5)= -1+(-5)
2x= -6
2x/2= (-6)/2
x= -3
y=6x-2x+8
x=4
y=?
y = 6x-2x+8
y = 4x+8
y = 4(4)+8
y = 16 + 8
y = 24
3/4x + 3/4y=9
x+y=?
3/4x+3/4y= 9
(3/4x+ 3/4y)4= 9x4
12/4x+ 12/4y= 36
3x+3y= 36
(3x+3y)3= 36/3
x+y=12
7x2+80+6+8+10p+6x2
Simplified equation is?
7x2+80+6+8+10p+ 6x2
(7+6)x2+ 86+8+10p
13x2+94+10p
Simplified equation=13x2+10p+94
simultaneous equation
x+2y= 10
x-3y=5
(Both equations' x and y are the same)
x=?
y=?
x+2y=10
x-3y=5
(x+2y)-(x-3y)= 10-5,
x+2y-x+3y= 5
5y=5
y=1
(substitution), x-3y=5 ,
x-3=5
x-3+3=5+3
x=8
x=8, y=1
x+5-3-2= -5+2x
x=?
x+5-3-2= -5+2x
x+2-2= -5+2x
x= -5+2x
x+(-2x)= -5+2x+ (-2x)
-x= -5
-x* (-1)= -5*(-1)
x=5
y+3x= 3x+x-2-8
x=2
y=?
y+3x= 3x+x-2-8
y+3x= 4x-10
y+3x+(-3x)= 4x+(-3x)-10
y= x-10
y= 2-10
y=-8
-3x-3+5=6y-3+7
x+2y=?
-3x-3+5=6y-3+7
0=6y-3+7+3x+3-5
0=3x+6y+2
-2=3x+6y
-1=x+2y
0x+2+4x+3
Simplified Equation is?
0x+2+4x+3
0x= 0, 2+4x+3
Simplified equation= 5+4x
simultaneous equation
3x+2y=12
8x+5y=31
(Both equations' x and y, is the same)
x=? y=?
(3x+2y)8= 12x8
(8x+5y)3=31x3
24x+16y= 96
24x+15y= 93
(24x+16y)-(24x+15y)= 96-93
24x+16y-24x-15y= y=3
(substitution), 3x+2y=12, 3x+6=12
3x+6-6=12-6
3x=6
x=2
1/4x+5-3= -3/4x
x=?
1/4x+5-3= -3/4x
1/4x+2= -3/4x
1/4x+2+(-2)= -3/4x+(-2)
1/4x= -3/4x-2
1/4x+3/4x= -3/4x-2+3/4x
x= -2
y+3/4x=5/4x+43
x=4
y=?
y+ 3/4x= 5/4x+43
y+ 3/4x + (-3/4x)= 5/4x+ (-3/4x)+43
y= 2/4x+43
y= 2*(4)/4x+43
y= 8/2+43
y= 2+45
y=45
30x-5+2+4=6y+4-2
10x-2y=?
30x-3+4= 6y+2
30y-1=6y+2
30-1-2=6y+2-2
30x-3=6y
30x-6y-3= 6y-6y
30x-6y-3+3= 0+3
30x-6y=3
10x-2y=1
8/9x+ 6 -3 +1/9x
Simplified equation is?
8/9x+1/9x+6-3
Simplified equation= x+3
(Factorization)
(3x+4)(x+3)
what is the equation if two equations are multiplied by themselves?
3x*x+3*3x+4*x+4*3
3x2+ (9+4)x+12
3x+ 12x+12