Answer:
Let's solve your equation step-by-step.
2 ( x+12 ) = 4x − 6
Step 1: Simplify both sides of the equation.
2 (x+12) = 4x − 6
(2) (x) + (2) (12) = 4x + −6 (Distribute)
2x + 24 = 4x + −6
2x + 24 = 4x − 6
Step 2: Subtract 4x from both sides.
2x + 24 − 4 x = 4x − 6 − 4x
−2x + 24 = −6
Step 3: Subtract 24 from both sides.
−2x + 24 − 24 = −6 −24
−2x = −30
Step 4: Divide both sides by -2.
−2x / −2 = −30 / −2
x=15
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-13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
GIVEN
1) Females outnumber males by 3 to 2.
2) There are 1770 people in the city.
SOLUTION
Let the number of males be x and the number of females y. Therefore, the total number of people can be written to be:
If there are 3 females for every 2 males, we have that:
We can substitute equation (2) into equation (1) and solve for y:
Dividing both sides by 5, we have
There are 1062 females in the county.