2x= 20
x= 10 is the answer
Answer:
C.
4x – y = 7
Step-by-step explanation:
Write in standard form.
4
x
−
y
=
7
y
=
4
x
−
7
The standard form of a linear equation is
A
x
+
B
y
=
C
.
Rewrite the equation with the sides flipped.
4
x
−
7
=
y
Move all terms containing variables to the left side of the equation.
Tap for more steps...
4
x
−
y
−
7
=
0
Add
7
to both sides of the equation.
4
x
−
y
=
7
variable
A letter used to represent a number value in an expression or an equation.
equation
A mathematical statement that says two expressions have the same value; any number sentence with an
=
.
Answer:
The answer is 0
Step-by-step explanation:
Answer:
-0.55-0.05
Step-by-step explanation:
When you solve (0.25-0.3)-(0.8-0.25), you get -0.6. -0.55-0.05= -0.6
Do you mean the following:
log(5^(4/7))=around 0.4
log(5)^(4/7)=around 0.815
log(5^4)/7= same thing as top one
log((5^4)/7)=around 1.95