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Mathematics
Malia Walker
3 April, 14:02
1250+27.50x=1400+20x
+1
Answers (
1
)
Mariela Mcmillan
3 April, 17:18
0
x = 20
Step-by-step explanation:
Simplifying
1250 + 27.50x = 1400 + 20x
Solving
1250 + 27.50x = 1400 + 20x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-20x' to each side of the equation.
1250 + 27.50x + - 20x = 1400 + 20x + - 20x
Combine like terms: 27.50x + - 20x = 7.5x
1250 + 7.5x = 1400 + 20x + - 20x
Combine like terms: 20x + - 20x = 0
1250 + 7.5x = 1400 + 0
1250 + 7.5x = 1400
Add '-1250' to each side of the equation.
1250 + - 1250 + 7.5x = 1400 + - 1250
Combine like terms: 1250 + - 1250 = 0
0 + 7.5x = 1400 + - 1250
7.5x = 1400 + - 1250
Combine like terms: 1400 + - 1250 = 150
7.5x = 150
Divide each side by '7.5'.
x = 20
Simplifying
x = 20
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