Answer:
9
Explanation:
what value of x makes this equation true , use numerals instead of words.
-2x+3=-15
-2x + 3 = -15
-2x = -15 - 3
-2x = -18
x = -18 : (-2)
x = 9
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check
-2 * 9 + 3 = -15
-18 + 3 = -15
-15 = -15
the answer is good