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Pre-Algebra
Geometry
Online Self-Tests
(E17)
1. If
x
+ 7 = –7, find the value of 3 + (
x
+ 7).
(1 point)
Answer:
2. Evaluate the expression below if
x
× (–3) = 39.
(2 ×
x
) – 6
(1 point)
Answer:
3. Evaluate the expression below if
x
= –14 and
y
= –6.
x
–
y
2
(1 point)
Answer:
4. Evaluate the expression below if
x
= –30 and
y
= –9.
2
x
+
3
y
(1 point)
Answer:
5. Evaluate the expression below if
x
= 30 and
y
= –6.
x
÷
y
(1 point)
Answer:
6. If
x
× 10 = –5 and
y
= 0.9, find the value of
x
–
y
.
(1 point)
Answer:
Answers
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