Question

-11=a+7 dolce equation

Answer 1

-11 = a + 7   Given

-7        -7    Subtract 7 on each side to cancel out +7 and isolate variable

-18 = a       Answer

Prove.

-11 = -18 + 7    Plug in variable value

-11 = -11

True.

Answer 2

In order to get the answer to this question you will have to subtract 11 on both sides.

$-11=a+7$

$-7-7$

$-11 - 7 = -18$

$-18 = a$

$a = -18$

Which will mean the answer would be "-18."

Hope this helps.