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Question
If
= `3/4x - 2` and
= x + 6, then find the value of:
2
– `3/2`![]()
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Solution
Given,
= `3/4x - 2` and
= x + 6
2
– `3/2`
= `2 xx (12 + 6) - 3/2(3/4 xx 1 - 2)`
= `36 - 3/2((3 - 2 xx 4)/4)`
= `36 - 3/2((3 - 8)/4)`
= `36 - 3/2((-5)/4)`
= `36 + 15/8`
= `(36 xx 8 + 15)/8`
= `(288 + 15)/8`
= `303/8`
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If
= 2x + 3,
= `3/2x + 7` and
= x – 3 then find the value of:
2
+
– ![]()
If
= `3/4x - 2` and
= x + 6, then find the value of:
– ![]()
