The value of 42−{(7+14)÷7}×4 will be 30.
A mixture of variables, numbers, addition, subtraction, multiplication, and division are called expressions.
An expression is a mathematical proof of the equality of two mathematical expressions.
A statement expressing the equality of two mathematical expressions is known as an equation.
Given,
⇒ 42−{(7+14)÷7}×4
⇒ 42 - { (21)÷7}×4
⇒ 42 - 3×4
⇒ 42 - 12
⇒ 30
Hence "The value of 42−{(7+14)÷7}×4 will be 30".
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