add 3x-7 and 5x+2 and then subtract 3-4x from the sum obtained. Find the value of each expression and the sum of both the expressions, if x is equal to 4
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= 3x -7 + 5x +2 -3 +4x
= 12x -8
= 12(4) -8
= 48 -8
= 40
the value of 3x-7=3(4)-7=5
the value of 5x+2= 5(4)+2=22
the value of 3-4x= 3-4(4)=-13
plzzzzzzzzzzzzzzzzzzz mark this as a brainliest answer
= 12x -8
= 12(4) -8
= 48 -8
= 40
the value of 3x-7=3(4)-7=5
the value of 5x+2= 5(4)+2=22
the value of 3-4x= 3-4(4)=-13
plzzzzzzzzzzzzzzzzzzz mark this as a brainliest answer
Answered by
2
3x-7+5x+2=8x-5
now
8x-5-(3-4x)=4
8x-5-3+4x=4
12x-8=4
12x=12
x=1
now
8x-5-(3-4x)=4
8x-5-3+4x=4
12x-8=4
12x=12
x=1
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