4x + 7 = 2x + 19. i know the answer is 6, i need to know how.

⇒ x=6

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Step-by-step explanation:

First you had to subtract by 7 from both sides of equation.

Simplify.

Then you had to subtract by 2x from both sides of equation.

Simplify.

Divide by 2 from both sides of equation.

Simplify it's should be the right answer.

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step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.