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Algebra
Solve for r 1.25=0.75+r
1.25
=
0.75
+
r
1.25
=
0.75
+
r
Step 1
Rewrite the
equation
as
0.75
+
r
=
1.25
0.75
+
r
=
1.25
.
0.75
+
r
=
1.25
0.75
+
r
=
1.25
Step 2
Move all
terms
not containing
r
r
to the right side of the
equation
.
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Step 2.1
Subtract
0.75
0.75
from both sides of the
equation
.
r
=
1.25
−
0.75
r
=
1.25
-
0.75
Step 2.2
Subtract
0.75
0.75
from
1.25
1.25
.
r
=
0.5
r
=
0.5
r
=
0.5
r
=
0.5
1
.
2
5
=
0
.
7
5
+
r
1
.
2
5
=
0
.
7
5
+
r
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
7
7
8
8
9
9
≤
≤
4
4
5
5
6
6
/
/
^
^
×
×
>
>
∩
∩
∪
∪
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
π
π
∞
∞
,
,
0
0
.
.
%
%
=
=
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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