-4 (x -3) = 20 Gwen tried solving this problem she shows her work here
-4 (x -3) = 20
-4x - 12
-4x = 32
x = -8
Unfortunately Gewn is wrong where did she mess up?
What is x in this problem?

x=-2

Step-by-step explanation:

Hi! i see your having trouble let me help you :-)

Let's solve your equation step-by-step.

−4(x−3)=20

Step 1: Simplify both sides of the equation.

−4(x−3)=20

(−4)(x)+(−4)(−3)=20(Distribute)

−4x+12=20

Step 2: Subtract 12 from both sides.

−4x+12−12=20−12

−4x=8

Step 3: Divide both sides by -4.

−4x−4=8−4

x=−2

x=−2

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f(x) = y

f(-3) = -5

step-by-step explanation: