Question

Solve the following equations :
1. 3(x - 5) +- (2x - 1) = 2(x + 7) - 1​

Answer 1

Answer:

X = - 27

Solution :

Given,

3 ( x - 5 ) + - ( 2x - 1) = 2 ( x + 7 ) - 1

3(x−5)−(2x−1)=2(x+7)−1

Simplify both sides of the equation.

3(x−5)−(2x−1)=2(x+7)−1

(3)(x)+(3)(−5)+−2x+1=(2)(x)+(2)(7)−1

3x+−15+−2x+1=2x+14+−1

(3x+−2x)+(−15+1)=(2x)+(14+−1)

Now Combine like terms ,

x+−14=2x+13

x−14=2x+13

Subtract 2x from both sides.

x−14−2x=2x+13−2x

−x−14=13

Add 14 to both sides.

−x−14+14=13+14

−x=27

Divide both sides by -1.

−x/−1=27−1

x=−27

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Answer 2

Step-by-step explanation:-

→ 3(x - 5)+(-2x - 1) = 2(x + 7) - 1

→ 3x - 15 -2x -1 = 2x + 14 - 1

→ x - 16 = 2x + 14

→ x - 2x = 14 + 16

→ -x = 30

→ x = - 30