x值为12
5X-3x(20-X)=36解X的值。
解:5X-60+3X=36
5X+3X=36+60
8X=96
X=96÷8
X=12
所以:5x-3×(20- x)=36中的ⅹ的值为:12
解:解方程, 此方程的解为x = 12
5x - 3 × (20 - x) = 36
5x - 3 × 20 + 3x = 36
5x + 3x - 60 = 36
8x = 36 + 60
8x = 96
x = 96 ÷ 8
x = 96 × 1/8
x = 96/8
∴x = 12
答:此方程的解为x = 12