B. Fill in the blanks:
5. An
is a condition on a variable.
6. In the Equation 4x + 5 = 65, the
is (4x
+ 5).
7. If we add the same number to both sides of a
balance equation, the balance is
8. Solve the following equations:
(a) 10p = 100
(b) 10p+ 10 = 100
9. Solve the following equations
(a) 4 (m + 3) = 18 (b) - 2(x + 3) = 5
10. The sum of three times a number and 11 is
32. Find the number.
Answers
Answered by
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Step-by-step explanation:
5. AN EQUATION IS A CONDITION ON VARIABLE
6. 4x+5 is LHS
7. The balance is undistributed
8.a.
10p = 100
p = 10
8.b.
10p+10=100
p = 9
9.a.
4(m+3)=18
4m +12=18
4m=6
m=6/4 = 3/2
9.b.
-2(x+3)=5
-2x-6=5
-2x =11
x= - 11/2
10.
Let the number be x
Hence, 3 times of x and 11 is 32
3x+11 = 32
3x = 32-11
3x=21
x=7
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