3x + 5 = -x - 7 Equations with Rational Numbers

How to solve your question

3x + 5 = -x -7

Solve

1

Subtract 5 from both sides of the equation

3x + 5 = -x - 7

3x + 5-5 = -x -7-5

Simplify

O Subtract the numbers

Subtract the numbers

3x = -x - 12

Add x to both sides of the equation

3x = -x - 12

3x + x = -x 12+ x

Simplify

Combine like terms

o Combine like terms

4x = -12

Divide both sides of the equation by the same tem

4x = -12

4x 4 = -12 4

Simplify

O Cancel terms that are in both the numerator and

denominator

O Divide the numbers

X=-3

Solution

X=-3

Yes, that is the correct formula. to solve this problem given the number of years, plug in the number of years for t and plug the whole thing into the