Isolate x on one side of the equation.
15+4x=3x-7
15+4x-4x=3x-7-4x
15=-7-x
15+7=-7+7-x
22=-x
x=-22
Answer: a= x^2 + 4x
Step-by-step explanation:
length= x
width= x+4
area= length x width
area = x(x+4)
area= x^2 + 4x
hope this helps :)
By definition 'unique' defines there is only one :)
Answer:
The units of the two shapes are not the same one is in cm the other in mm
Step-by-step explanation:
1cm=10mm
15÷10=1.5cm
12÷10=1.2cm
1.2×1.5=1.8
72- area of B
Area of B take away the area of A
72- 1.8
Answer=70.2cm
Answer:
<h3>ya-z/1+y</h3>
Step-by-step explanation:
Making x the subject of the formula;
y=x+z/a-x
Cross multiply
y(a-x) = x+z
ya - yx = x+z
Collect like terms
x+yx = ya - z
x(1+y) = ya - z
x = ya-z/1+y
Hence the value of x is ya-z/1+y
