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7th 1-7 Algebra Equations
供稿人: Math
What is the main idea of the lesson?
1-7 ALGEBRA:
 EQUATIONS
An equation is a sentence in mathematics that 
contains an 
The 
when substituted for the variable makes the 
equation true.
of an equation is the value that 
sign.
3) 15 = u
1)  a + 7 = 16
2) 4d = 60
4) 5t = 120
PROBLEMS
5) 27 + 15 = n
3
2) d =
1) a=
3) u = 
4) t = 
5) n = 
ANSWER
6)  Mr. Conards car has a 20-gallon gas tank. It took
14 + g = 20 to find the number of gallons g that 
he had before he filled his tank with gas.
14 gallons of gas to fill his tank.  Use the equation
label!!!
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