Step-by-step explanation:
step 1. 4x + 27 + 3x = 90 (definition of a rectangle)
step 2. 7x = 63 (collect like terms. subtract 27 from both sides)
step 3. x = 9 (divide both sides by 7)
Answer:
go to a called math and way but without the space or the and
Step-by-step explanation:
Answer:
x = 1
Step-by-step explanation:
x + 8 = 9
=> x = 9 - 8
=> x = 1
Un pentágono es un paralelogramo cinco caras