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hussja
26.11.2020 •
Mathematics
Solve for the value of x ? −2(x+13)+9x=4
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Ответ:
x = 30/7
Step-by-step explanation:
−2(x+13)+9x=4
Multiply out the bracket
-2x - 26 + 9x = 4
Combine the x terms
(-2x + 9x) - 26 = 4
7x - 26 = 4
Rearrange into the form Ax = b, so all the x's are on one side and the integers are on the other.
7x = 4 + 26
7x = 30
Rearrange into the form x = b, so x is on one side and the integer is on the other.
x = 30/7
Ответ: