Mathematics
12.07.2020 17:06
114
341
8
hallkanay7398
4,9(33 marks)
12x + 17 + 6x + 1
Reorder the terms:
17 + 12x + -6x = 77
Combine like terms: 12x + -6x = 6x
17 + 6x = 77
Solving
17 + 6x = 77
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-17' to each side of the equation.
17 + -17 + 6x = 77 + -17
Combine like terms: 17 + -17 = 0
0 + 6x = 77 + -17
6x = 77 + -17
Combine like terms: 77 + -17 = 60
6x = 60
Divide each side by '6'.
x = 10
Simplifying
x = 10
chavezdavis25
4,7(42 marks)
Answer
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