Omar tried to solve an equation step by step: 3x=4.5 step 1: 3x=4.5 step 2: 3x/3 = 4.5/3 step 3: x=1.5 where is his mistake if he made a mistake at all?

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step-by-step explanation:

exactly you go it

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