Question

Determine the value of the unknown in each equation
5(1 + s) = -9s - 23

Answer 1

Answer:

-10s = 18

Step-by-step explanation:

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Answer 2

Answer:

Determine whether x=\frac{3}{2} is a solution of 4x-2=2x+1.

Solution

Since a solution to an equation is a value of the variable that makes the equation true, begin by substituting the value of the solution for the variable.

.

. .

Multiply. .

Subtract. .

Since x=\frac{3}{2} results in a true equation (4 is in fact equal to 4), \frac{3}{2} is a solution to the equation 4x-2=2x+1.