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x−5 = 10
13+x = 25
2(x−4) = 10
52x = 10
10x−3 = 1
−8 +5x= 2
5x−4= 16
8x+8= 88
Is 5x+4 =20 an expression or an equation?
Expression
Equation
5×4=…+10
What is the missing number to make this a True Equation
4
10
20
9
32+2 =10
True Equation
False Equation
318=4+2
True Equation
False Equation
If x=7
True Equation
False Equation
What is the inverse operation of
+
+
−
÷
×
What is the inverse operation of
−
+
−
÷
×
What is the inverse operation of
×
+
−
÷
×
What is the inverse operation of
÷
+
−
÷
×
5x=2
A number divided by four is equal to five. The number is:
The sum of a number and three is multiplied by two. This gives a result of ten.
Write this as a mathematical equation
x+3 = 10
x+3×2=10
2(x+3) = 10
2(x−3)=10
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