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EastWind [94]
3 years ago
13

HURRY I'LL PICK A BRAINLIEST PERSON!!!

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
4 0

The answer is A,B,&D.

Rzqust [24]3 years ago
3 0

Answer:

The only options which are having same solution as the given equation is A, B and D.

Explanation:

Given the equation: \frac{3}{5}x+ \frac{2}{3} +x =\frac{1}{2}- \frac{1}{5}x ......[1]

Like terms are terms whose variables are the same.

In the given equation [1],

Combine like terms of variable x on LHS; we have

\frac{3x+5x}{5}+ \frac{2}{3} =\frac{1}{2}- \frac{1}{5}x

Simplify:

\frac{8x}{5}+\frac{2}{3} =\frac{1}{2}- \frac{1}{5}x

or we can write this as;

\frac{8}{5}x +\frac{2}{3} =\frac{1}{2}- \frac{1}{5}x .

LCM(Least Common Multiple) to change each fraction to make their denominators the same as the least common denominator.

Taking LCM to both sides of an equation [1] as;

LCM of 3, 5 on LHS is 15 and LCM of 2 , 5 on RHS is 10;

\frac{9x+10+15x}{15} = \frac{5-2x}{10}

By cross multiplication we get;

10 \cdot (9x+10+15x) = 15 \cdot (5-2x)

Divide both side by 5 we get;

2 \cdot (9x+10+15x) = 3 \cdot (5-2x)

Using distributive property on both sides of an equation (i.e,   a\cdot (b+c) =a\cdot b+a\cdot c )

we have;

18x+20+30x = 15-6x                 ......[2]

Additive Property of Equality states that allows one to add the same quantity to both sides of an equation.

Using additive property of equality:

Add 6x to both sides of an equation in [2];

18x+20+30x+6x = 15-6x+6x  

Simplify;

18x+20+30x+6x = 15  

Combine 18x and 6x  we get;

24x+20+30x= 15                      ......[3]

Subtraction Property of Equality states that allows one to subtract the same quantity to both sides of an equation.

Subtract 20 from both sides of an equation in [3] we get;

24x+20+30x-20= 15-20

Simplify:

24x+30x= -5

Therefore, from the given options only A, B and D have the same solution as \frac{3}{5}x+ \frac{2}{3} +x =\frac{1}{2}- \frac{1}{5}x








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