3 years ago

Determine by substitution if 4 is the root of 2x -3 =5.

Mathematics

2 answers:

LekaFEV [45]3 years ago

5 0

Answer:x=4

Step-by-step explanation:

3241004551 [841]3 years ago

4 0

Answer:

true

Step-by-step explanation:

rearrange formula with 0 on one side:

2x-3-5 = 0

2x-8 = 0

now sub in 4:

2(4) - 8 =8 - 8 = 0

since the final answer is 0, 4 is the root of the equation

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