Find the range of values of x which satisfy the... - JAMB Mathematics 2008 Question
Find the range of values of x which satisfy the equalities 4x - 7 \(\leq\) 3x and 3x - 4 \(\leq\) 4x
A
-4 \(\leq\) x \(\leq\) 7
B
-7 \(\leq\) x \(\leq\) 4
C
x \(\geq\) -7
D
-7 \(\leq\) x \(\leq\) 6
correct option: a
4x - 7 \(\leq\) 3x
4x - 3x \(\leq\) 7
x \(\leq\) 7
ii. 3x - 4 \(\leq\) 4x
3x - 4x \(\leq\) 4
-x \(\leq\) -4
-4 \(\leq\) x \(\leq\) 7
4x - 3x \(\leq\) 7
x \(\leq\) 7
ii. 3x - 4 \(\leq\) 4x
3x - 4x \(\leq\) 4
-x \(\leq\) -4
-4 \(\leq\) x \(\leq\) 7
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