HELP PLEASE I NEED THIS QUICK SHOW WORK TOO PLS IN ANSWER 2. Solve each given equation and show your work. Tell whether it has one solution, an infinite number of solutions, or no solutions, and identity each equation as an identity, a contradiction, or neither. Hint: Remember to group like terms. (a) 5x + 9 = 2x + 7 + 3x - 15 (b) 7x + 5x - 7 = 21 + 10x (c) 24 - 3x = 8 - 2x + 16- x by the way a b and c are different parts in problem please help i need this tomorrow

(a) 5x + 9 = 2x + 7 + 3x - 15

combine like terms

5x + 9 = 5x - 8

subtract 5x and 9 from both sides

0 = -17

This statement is false, so there are no solutions. This is a contradiction equation.

(b) 7x + 5x - 7 = 21 + 10x

combine like terms

12x - 7 = 21 + 10x

subtract 10x from both sides and add 7 to both sides

2x = 28

divide by 2

x = 14

neither - it's a conditional equation

(c) 24 - 3x = 8 - 2x + 16 - x

combine like terms

24 - 3x = 24 - 3x

This equation is true and will always be true no matter what x value is plugged in. There are an infinite number of solutions. This is an identity equation.

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

no idea

step-by-step explanation: