One-Step Addition
x + 13 = 7
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x + 13 = 7
- 13 -13
x = -6
x - 13 = 9
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x - 13 = 9
+13 +13
x = 22
3x = 9
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3x = 9
/3 /3
x = 3
x/6 = 4
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x/6 = 4
Multiply each side by 6
x = 24
-52 + x = -24
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-52 + x = -24
+52 +52
x = 28
x - (-27) = -3
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x - (-27) = -3
+(-27) +(-27)
x = -30
4x =14
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4x = 14
/4 /4
x = 14/4
Simplify: 3.5 or 3 1/2
x -: 5 = 7
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x -: 5 = 7
Multiply each side by 5
x = 35
x + 2.5 = -1.7
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x + 2.5 = -1.7
-2.5 -2.5
x = 4.2
23.8 = x - (-16.8)
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23.8 = x - (-16.8)
+ (-16.8) + (-16.8)
7 = x
2.5x = 15
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2.5x = 15
Divide each side by 2.5
x = 6
x/5 = 1.25
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x/5 = 1.25
Multiply each side by 5
x = 6.25
3/4 + x = 3/8
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3/4 + x = 3/8
(-3/4) (-3/4) * 2
(-6/8)
x = -3/8
x - 6/8 = -3/8
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x - 6/8 = -3/8
+6/8 +6/8
x = 3/8
3/4x = 1/2
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3/4x = 1/2
Divide each side by 3/4
x = 2/3
x-:1/2 = 3/2
Solve for x. Show your work!
x-:1/2 = 3/2
Multiply each side by 1/2
x = 3/4
1.5 + x = 5/2
Solve for x. Show your work!
1.5 + x = 5/2
whiteboard ex
x = 2/2 or 1
x - 3/2 = -2/3
Solve for x. Show your work!
x - 3/2 = -2/3
Whiteboard explanation!
x = 5/6
1.2x = 3/5
Solve for x. Show your work!
1.2x = 3/5
Whiteboard Explanation!
x = .5 or 1/2
x/1.5 = 8/6
Solve for x. Show your work!
x/1.5 = 8/6
Whiteboard explanation!
x = 2