Linear Equations Worksheet With Answer Key Page 5
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1
2
3
4
52��
11
2
�� = 34
=
�� = −1
2
2
3
1
�� = 5
2
��
50 =
+ 26
2
��
50 − 26 =
+ 26 − 26
2
��
24 =
2
��
2 ∙ 24 =
∙ 2
2
48 = ��
Pressure needed is 48 pounds per square inch
43. Explanation
44.
4�� − 400 = 100
Subtract 3
4�� − 400 + 400 = 100 + 400
Multiply by 2
4�� = 500
4��
500
Divide by 5
=
4
4
�� = 125
125 people attended.
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