15 x(y-(-26)) = – 90 nilai yadalah
15 (y – (-26)) = -90
15 (y + 26) = -90
15y + 390 = -90
15y = -90 – 390
15y = -480
y = -480 : 15 = 32
15 x(y-(-26)) = – 90 nilai yadalah
15 (y – (-26)) = -90
15 (y + 26) = -90
15y + 390 = -90
15y = -90 – 390
15y = -480
y = -480 : 15 = 32