Answer:
x = 1/2 or 0.5
Step-by-step explanation:
3x - 4 = x +5 (1) subtract x
2x - 4 = 5 (2) subtract 5
2x + 1 (3) divide by 2
x = 1/2 or 0.5
The equation is 2x (or x multiplied by 2) because if you divided 32/16 or 20/10 and so on, all answers will give you the number 2
Answer:
The sum of any integer and its opposite is equal to zero. adding two negative integers always yields a negative sum. To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values.
Y is 9 because 2 times 5 is 10, then you take that same 10 and subtract 1 and then you have 9
Answer:
2x - 3
Step-by-step explanation:
2x² - 7x + 6 / x - 2
Factorise the numerator(quadratic expression).
2x² -7x + 6
Find the factor of (2×6= 12 ) that add up to give -7 , the coefficient of x.
Factors = -4 and -3
Rewrite the equation
2x² -4x -3x + 6
2x(x - 2) -3(x -2)
( 2x - 3)(x - 2)
Therefore the expression would be
(2x -3)(x-2) / (x-2)
(x-2) divides (x-2) to give
= 2x - 3
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