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castortr0y [4]
2 years ago
12

What is 4a +28=10-2a ?​

Mathematics
2 answers:
mafiozo [28]2 years ago
7 0
A= -3
hope it helps !!
Gnesinka [82]2 years ago
4 0

Answer:

A=-3

Step-by-step explanation:

~~4a+ 28 = 10-2a\\+2a~~~~~~~~~~~~+2a\\~~~~6a+ 28 = 10\\~~~~~~~-28~~-28\\~~~~~6a = -18\\~~~~~~/6~~~/6\\~~~~~a=-3

If you want to check your answer look below:

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

Hope this helps let me know if you have any questions about my answer

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