Given and , find the value of and state the common notion that justifies the equality…

MATHEMATICS · Subjective · CBSE · Mathematics · We Distribute, Yet Things Multiply · We Distribute, Yet Things Multiply

Problem

Given

x + 3 = 2y

and

2y = 10

, find the value of

x

and state the common notion that justifies the equality between

x + 3

and

10