( 5y - 4 = 3y + 8 ) Subtract ( 3y ): ( 2y - 4 = 8 ) Add 4: ( 2y = 12 ) Divide by 2: ( y = 6 ) Answer: ( y = 6 )
( 2x + 3 = 11 ) Subtract 3: ( 2x = 8 ) Divide by 2: ( x = 4 ) Answer: ( x = 4 ) math solution mathayomsuksa 1 pdf
Mathayom 1 (Grade 7) mathematics focuses on key concepts such as linear equations with one variable, fundamental geometry, integers, and data representation ( 5y - 4 = 3y + 8