-b + 4y ( b=4 y = -3) Evalauate the expression?

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-b + 4y ( b=4 y = -3) Evalauate the expression?

2007-03-11 08:12:58 · 4 answers · asked by Diffa W 1 in Science & Mathematics ➔ Mathematics

4 answers

-b + 4y; b=4. y=-3
substitute

-(4) + 4(-3)
-4 - 12 = -16

answer: -16

2007-03-11 08:17:42 · answer #1 · answered by Bill F 6 · 1⤊ 0⤋

so that's -3+4(-3) which is -15

2007-03-11 15:17:15 · answer #2 · answered by lovegivingadvice 2 · 0⤊ 0⤋

-4 + 4*(-3) = -16

2007-03-11 15:19:18 · answer #3 · answered by Timothy G 2 · 0⤊ 0⤋

Remember the BODMAS rule :

Brackets of Division ,Multiplication ,Arithmetic and Subtraction,

this will help you ,do the arithmetic easily.

1)= - ( 4) + 4 * ( -3 )
2)= -4 + ( -12 );
3) =-4 -12 ;
4) = -16

you owe me a chocolate cookie now :)

2007-03-11 15:29:03 · answer #4 · answered by C'est le vie 1 · 0⤊ 0⤋