Find the value of the following algebraic expro
1. 7a + 4; a = 6
2. d+e-f when d = 3,e= 2 and f= -2
3. 10x-12y + 1; x=3 and y = 2
4. (m + n)2-- mn, when m= -1 and n= 3
5. ry- xy + 3x; x = 2 and y=3
1. 7a + 4; a = 6
2. d+e-f when d = 3,e= 2 and f= -2
3. 10x-12y + 1; x=3 and y = 2
4. (m + n)2-- mn, when m= -1 and n= 3
5. ry- xy + 3x; x = 2 and y=3
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Answer:
1. 46
2. 7
3. 7
4. 7
5. 12-3r
Step-by-step explanation: