Answer:
-21-21= -42
Step-by-step explanation:
this is answer
x = -63
proof =
x - (-21) = -42
we know x is -63
-63 +21 = -42
so the value of X ie. -63 is correct
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Verified answer
Answer:
-21-21= -42
Step-by-step explanation:
this is answer
x = -63
proof =
x - (-21) = -42
we know x is -63
-63 +21 = -42
so the value of X ie. -63 is correct