The solution of the equation after solve the equation, 2x − 3 4x = 21 is 4. Option 3 is correct.
<h3>How to obtain the solution of equation?</h3>
To obtain the solution of an equation, the similar terms should be arranged together and then mathematical operation need to be performed to simplify it.
The equation which is provided to solve is,

To solve this equation, arrange the like terms as,

Add number 3 both side of the equation as,

Divide both side of the equation with number 6, we get,

Hence, the solution of the equation after solve the equation, 2x − 3 4x = 21 is 4. Option 3 is correct.
Learn more about the solution of the equation here;
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When working with very large or very small numbers, scientists, mathematicians, and engineers use scientific notation to express these quantities. Scientific notation is a mathematical abbreviation, based on the idea that it is easier to read an exponent than to count many zeros in a number. Very large or very small numbers need less space when written in scientific notation because the position values are expressed as powers of 10. Calculations with long numbers are easier to do when using scientific notation
Answer:
y = (-7/2)x-22
Step-by-step explanation:
Hello:
the equation is : y = ax+b
the slope is a : a = -7/2 same slope parrallal to the line : 7x+2y=14 )
2y =-7x+14 means : y= (-7/2)+7
the line that passes through (-8, -6) : -6 = (-7/2)(-8)+b
b = -22
the equation is : y = (-7/2)x-22
Answer:
3
Step-by-step explanation:
63/21 = 3