maubry65
maubry65
17-09-2018
Mathematics
contestada
I forgot how to solve this question
7x +9=58
Respuesta :
hienh4517
hienh4517
17-09-2018
Minus 9 from both sides
7x = 49
X = 7
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imew22
imew22
17-09-2018
You first move the constant to the right side and change its sign (7x = 58 -9). You then subtract the numbers (58-9=49), so you are left with 7x = 49. Then you divide both sides by 7 to isolate the variable (x). The answer is x = 7.
Answer Link
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