2x+8=2(x+4)
mutiply the bracket by 2
(2)(x)= 2x
(2)(4)= 8
2x+8= 2x+8
move 2x to the left side
sign changes from +2x to -2x
2x-2x+8= 2x-2x+8
0+8= 0+8
8= 8
Answer:
all real numbers
Step-by-step explanation:
2x +8 = 2(x+4)
2x+8 = 2x +8
0=0
since the solution is 0=0, that means you can replace x with any number, and the equation will always work out
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