raksud441 raksud441

04-05-2022
Mathematics

contestada

if 2a+3b=12 and a-3b=0, then what is the value of a?

Respuesta :

sarahadoniram1 sarahadoniram1

04-05-2022

Answer:

a=4

Step-by-step explanation:

2a+3b=12

+

a-3b=0

3a=12

a=4

Answer Link

Otras preguntas

Evaluate the expression when r = 8.2 and s = –3.7. r – 2s a. –22.94 b. 0.8 c. 4.5 d. 15.6

Which values satisfy the inequality? |z| ≤ 5 Choose all answers that are correct A. z = –6 B. z = –5 C. z = –1 D. z = 8 oop

In which taxonomic phylum is ginkgo classified? a. Gnetophyta b. Cycadophyta c. Anthocerophyta d. Ginkgophyta

In a play, the rising action consists of the events that lead up to the a. last line in the scene b. climax c. external conflict d. internal conflict

Which of the following terms refers to how genetic traits are expressed? A. Display B. Genotype C. Phenotype D. Dominance

All plots must have _____. themes conflict action dialogue

Sofia learned 10 recipes to create party dishes. She learned these recipes in two weeks. How many recipes can Sofia learn in 5 weeks ?

David charges $15 plus $5.50 per hour to mow lawns. Ari charges $12 plus $6.25 per hour to mow lawns. In what situations is Ari's charge greater than or equal t

David charges $15 plus $5.50 per hour to mow lawns. Ari charges $12 plus $6.25 per hour to mow lawns. In what situations is Ari's charge greater than or equal t

NEED HELP ASAP 1.Which word in the sentence should be capitalized? next year Sara would like a part-time job. A. Job B. Like C. Next D. Year 2