2015-01-23T18:11:10-05:00
Distribute the 3 then solve
so 4a + 3a + 9 = ?
7a + 9
a = -9/7
2015-01-23T18:18:51-05:00
Distribute 3 so you get 4a+3a+9

Then add 4a + 3a = 7a

7a + 9

a= 9/7

Hope that helped :P
{"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0, "katex": 0, "math-container": 0, "wp-katex-eq": 0, "align": 0, "equation": 0, "x-ck12": 0, "texerror": 0, "url": "https://brainly.com/question/269481", "fetch_time": 1485064908000000000, "content_mime_type": "text/html", "warc_filename": "crawl-data/CC-MAIN-2017-04/segments/1484560281353.56/warc/CC-MAIN-20170116095121-00360-ip-10-171-10-70.ec2.internal.warc.gz", "warc_record_offset": 796956282, "warc_record_length": 8622, "token_count": 117, "char_count": 206, "score": 3.625, "int_score": 4, "crawl": "CC-MAIN-2017-04", "snapshot_type": "latest", "language": "en", "language_score": 0.44775739312171936, "file_path": "/sailhome/yjruan/project/latent-lm/data/processed/finemath-4plus/finemath-4plus/train-00014-of-00064.parquet"}