Answer:
9
Step-by-step explanation:
15(8-2)
15-(6)
9
Answer:
x=1.5
Step-by-step explanation:
- 5=10(5x-7)
- 0.5=5x-7
- 7.5=5x
- x=1.5
The equations are listed below
What is an equation?
An equation is a formula in mathematics that expresses the equivalence of two expressions by linking them with the equals symbol =. The word equation and its cognates in various languages may have somewhat different definitions; for example, in French, an équation is defined as including one or more variables, but in English, an equation is any well-formed formula consisting of two expressions linked by an equals sign.
The system of equations are:
9x + 11y + 12.50z = 243
x + y + z = 23
z = 2y
x = 11 shirts
y = 4 shirts
z = 8 shirts
To learn more about equations, click on the link
brainly.com/question/28196676
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The answer is 10x-5 hope this helps