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hillmarilyn70pe8sy6
19.10.2019 •
Mathematics
4(x - 2) = x + 10 what is "x" in this equation?
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Ответ:
Distribute the 4, using the distributive property which states: a(b + c) = ab + ac
We get:
4(x) - 4(2) = x + 10
4x - 8 = x + 10
Add 8 on both sides
4x - 8 + 8 = x + 10 + 8
4x = x + 18
Subtract x on both sides
4x - x = x + 18 - x
4x - x = 18
3x = 18
Divide both sides by 3.
3x/3 = 18/3
x = 18/3
x = 6
Your final answer is x = 6.
Ответ:
4 * x - 2 * 4 = x + 10
4 x - 8 = x + 10
4 x - x = 10 + 8
3 x = 18
x = 18 / 3
x = 6
hope this helps!.
Ответ:
£126
Step-by-step explanation:
Ratio is 2:1 so the difference between the amount of money will be "1". This is equal to £42 so 2 x 42 is 84 and 1 x 42 is 42, add them together and the answer is £126.