Answer:
224
Step-by-step explanation:
(100+12)*2
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➷ A variable is an unknown number that is represented by a letter, for example, x.
It is usually found in an algebraic expression.
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TROLLER
Depends on what kind of a triangle
Hi,
Work:
Equation;

Collect like terms and calculate sum of positive numbers.

Move constant +63 to the right side and change its sign.

Subtract numbers.

Divide both sides of equation with 13.

Hope this helps.
r3t40