Answer:
40-15-12= 13
Step-by-step explanation:
15 + 12 + x = 40
Solve for x
-7-5a
Step-by-step
i simplified it if thats what it meant
希 · 斯杰德布德克克贾克什伊索伊菲夫杰杰德克斯克克沃斯克维约沃沃
Solution : 6.79 x 10^4