chloe5559
chloe5559 chloe5559
  • 02-03-2020
  • Mathematics
contestada

Look at these equations.
9 = 7 + a
a + 8 = b + 5
Use both equations to work out the value of b.

Respuesta :

minatohazaifa4 minatohazaifa4
  • 02-03-2020

Answer:

Beginner

11 = 5 + a

11 - 5 = a

6 = a

6 + 4 = b + 3

10 = b + 3

10 - 3 = b

7 = b

Answer Link

Otras preguntas

at the bake sale the students earned $48.76. If there were 3 students, how much did each student earn?
Read the sentence. By the time he is 60 years old, he will have collected coins for most of his life. What verb tense describes something existing or happening
what are scale drawings? can you give an example?
amy has 72 Street and affection keeps one fourth of them for herself and she read the rest of their friends how many sweets will she get her friends
Which of the following federal law enforcement agencies does not operate under the Department of the Treasury? A. The Secret Service B. The Drug Enforceme
Which principal part is this verb form? tear A. past B. present participle C. past participle D. present
Please help! I will thank and rate the best answer. Ten points! I am stuck on this question: -2 2/3 x 6/7
When historians ask questions about variations across different groups of people with common traditions, they gather information from _____.
Use a property to explain why the product of a multiple of 10 and a number will have a zero in the ones place
is oxygen or a reactant or a product in photosynthesis and celluar respiration?