If 7x + 4 = -19 + 5x, then 2x – 14 equals A) 23 B) -23 C) -3 D) 16 E) NOTA
2 answers:
Answer:
-37
Step-by-step explanation:
First, let's solve for x.
7x+4= -19+5x
Subtract 5x from both sides of the equation.
(7x-5x)+4= -19 (+5x-5x)
(7x-5x)+4=-19
2x+4=-19
Subtract 4 from both sides of the equation.
2x(+4-4)=(-19-4)
2x=(-19-4)
2x= -23
Divide both sides of the equation by 2.
2x/2= -23/2
x= -23/3
x= -11.5
Next, let's find what 2x-14 is equal to. Substitute -11.5 in for x.
2x-14
2(-11.5)-14
Multiply 2 and -11.5
-23-14
Subtract 14 from -23.
-37
2x-14 is equal to -37.
Answer:
2x-14 = -37
Step-by-step explanation:
7x + 4 = -19 + 5x,
Subtract 5x from each side
7x-5x + 4 = -19 + 5x -5x
2x +4 = -19
Subtract 4 from each side
2x +4-4 = -19 -4
2x = -23
We want to find 2x -14
2x = -23
2x-14
-23-14
-37
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Step-by-step explanation:
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We need 2 numbers whose product is + 27 and whose sum is + 12. These are 3 and 9. So the factors are:-
(x + 3)(x + 9) and this = 0
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Answer:
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Step-by-step explanation:
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Step-by-step explanation:
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