Answer:
7 cm
Step-by-step explanation:
The two triangles are similar, so you can set up a proportion where (36/6) = (42/x). When you solve for x, you get seven.
Because corresponding sides of similar figures are in proportion, we can obtain the equation:
(x+3)/4 = (2x-4)/3
Multiplying both sides by 12,
3(x+3)=4(2x-4)
3x+9=8x-16
x=5
Answer: y= 2x-8
Step-by-step explanation:
2y-4x=-16
2y=-16+4x
y=-8+2x
y= 2x-8
B. Fractions have to have the same denominator so
which =
then you simplfy it to
so it would be B
Answer:
x = -4
Step-by-step explanation:
y = 3x - 1
Replace all instances of Y into the second quation.
2x - (3x-1) = 5
2x -3x +1 = 5
-x = 4
x= -4
