Answer:
4x-11
Step-by-step explanation:
4(x-2)-3
4x-8-3
4x-11
Answer:
width is 7.5
Length is 8
Step-by-step explanation:
because it is
Answer:
3x +5y = 10
Step-by-step explanation:
Multiply by 5 to make all numbers integers. Then add the opposite of the x-term to separate variable terms from the constant.
5y = -3x +10 . . . . multiply by 5
3x +5y = 10 . . . . add 3x
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<em>Comment on standard form</em>
The standard form of a linear equation is ...
ax +by = c
where a, b, c are mutually prime integers, and a≥0. If a=0, then b>0.
Answer:
<em>c=7</em>
<em>d=5</em>
Step-by-step explanation:
<u>Exponential Equations</u>
We need to recall some properties of exponentials to solve the equations:
Equation A
Squaring:
Simplifying the radicals:
If follows that
c=7
Equation B
Raising to the third power:
Operating
Thus:
d=5