Substitute the value of x back into the equation 2x + 3 - 2x = - + x + 5 to justify the solution. What value
of x is the solution?
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-31/7
-7/6
-7/3
-1
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i can you with this question sweetie!

step-by-step explanation:

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15