Answer:
[tex]A=-3[/tex]
Step-by-step explanation:
[tex]~~4a+ 28 = 10-2a\\+2a~~~~~~~~~~~~+2a\\~~~~6a+ 28 = 10\\~~~~~~~-28~~-28\\~~~~~6a = -18\\~~~~~~/6~~~/6\\~~~~~a=-3[/tex]
If you want to check your answer look below:
[tex]original~equation:\\4a + 28 = 10 - 2a \\\\To~check~your ~answer~plug~in~-3~for ~a:\\4(-3)+28=10-2(-3)\\[4 x -3 = -12] [ -2 x -3 = 6]\\\\\\Then~you~end~up~with:\\-12+28=10-6\\\\[-12+28=4] [ 10-6=4]\\\\Your solution then is:\\4=4\\This means that this is a true statement and that a=-3[/tex]
Hope this helps let me know if you have any questions about my answer
